Update docs

2026-04-24 22:39:30 +00:00 · 2026-04-22 23:28:55 -04:00
parent 38f97bc788
commit 7bcec72ebc
26 changed files with 224 additions and 81 deletions
--- a/_modules/index.html
+++ b/_modules/index.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Overview: module code &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Overview: module code &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../_static/css/theme.css?v=e59714d7" />

  
      <script src="../_static/jquery.js?v=5d32c60e"></script>
      <script src="../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../_static/doctools.js?v=9bcbadda"></script>
      <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../_static/js/theme.js"></script>
--- a/_modules/parsedmarc.html
+++ b/_modules/parsedmarc.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../_static/css/theme.css?v=e59714d7" />

  
      <script src="../_static/jquery.js?v=5d32c60e"></script>
      <script src="../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../_static/doctools.js?v=9bcbadda"></script>
      <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../_static/js/theme.js"></script>
@@ -119,7 +119,11 @@
 <span class="kn">from</span><span class="w"> </span><span class="nn">expiringdict</span><span class="w"> </span><span class="kn">import</span> <span class="n">ExpiringDict</span>
 <span class="kn">from</span><span class="w"> </span><span class="nn">mailsuite.smtp</span><span class="w"> </span><span class="kn">import</span> <span class="n">send_email</span>

-<span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.constants</span><span class="w"> </span><span class="kn">import</span> <span class="n">__version__</span>
+<span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.constants</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
+    <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
+    <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">__version__</span><span class="p">,</span>
+<span class="p">)</span>
 <span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.log</span><span class="w"> </span><span class="kn">import</span> <span class="n">logger</span>
 <span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.mail</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
    <span class="n">GmailConnection</span><span class="p">,</span>
@@ -397,7 +401,8 @@
    <span class="n">reverse_dns_map_url</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">offline</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Any</span><span class="p">]:</span>
 <span class="w">    </span><span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">    Converts a record from a DMARC aggregate report into a more consistent</span>
@@ -413,6 +418,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">        (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        dns_timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>

 <span class="sd">    Returns:</span>
 <span class="sd">        dict: The converted record</span>
@@ -432,6 +439,7 @@
        <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
        <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
        <span class="n">timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+        <span class="n">retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
    <span class="p">)</span>
    <span class="n">new_record</span><span class="p">[</span><span class="s2">&quot;source&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new_record_source</span>
    <span class="n">new_record</span><span class="p">[</span><span class="s2">&quot;count&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">record</span><span class="p">[</span><span class="s2">&quot;row&quot;</span><span class="p">][</span><span class="s2">&quot;count&quot;</span><span class="p">])</span>
@@ -775,7 +783,8 @@
    <span class="n">reverse_dns_map_url</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">offline</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">keep_alive</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">normalize_timespan_threshold_hours</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">24.0</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">AggregateReport</span><span class="p">:</span>
@@ -791,6 +800,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        retries (int): Number of times to retry DNS queries on timeout or</span>
+<span class="sd">            other transient errors</span>
 <span class="sd">        keep_alive (callable): Keep alive function</span>
 <span class="sd">        normalize_timespan_threshold_hours (float): Normalize timespans beyond this</span>

@@ -935,6 +946,7 @@
                        <span class="n">reverse_dns_map_url</span><span class="o">=</span><span class="n">reverse_dns_map_url</span><span class="p">,</span>
                        <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                        <span class="n">dns_timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span>
+                        <span class="n">dns_retries</span><span class="o">=</span><span class="n">retries</span><span class="p">,</span>
                    <span class="p">)</span>
                    <span class="n">_append_parsed_record</span><span class="p">(</span>
                        <span class="n">parsed_record</span><span class="o">=</span><span class="n">report_record</span><span class="p">,</span>
@@ -956,6 +968,7 @@
                <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
                <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                <span class="n">dns_timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span>
+                <span class="n">dns_retries</span><span class="o">=</span><span class="n">retries</span><span class="p">,</span>
            <span class="p">)</span>
            <span class="n">_append_parsed_record</span><span class="p">(</span>
                <span class="n">parsed_record</span><span class="o">=</span><span class="n">report_record</span><span class="p">,</span>
@@ -1098,7 +1111,8 @@
    <span class="n">reverse_dns_map_url</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">ip_db_path</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">keep_alive</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">normalize_timespan_threshold_hours</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">24.0</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">AggregateReport</span><span class="p">:</span>
@@ -1115,6 +1129,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        dns_timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        keep_alive (callable): Keep alive function</span>
 <span class="sd">        normalize_timespan_threshold_hours (float): Normalize timespans beyond this</span>

@@ -1136,6 +1152,7 @@
        <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
        <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
        <span class="n">timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+        <span class="n">retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
        <span class="n">keep_alive</span><span class="o">=</span><span class="n">keep_alive</span><span class="p">,</span>
        <span class="n">normalize_timespan_threshold_hours</span><span class="o">=</span><span class="n">normalize_timespan_threshold_hours</span><span class="p">,</span>
    <span class="p">)</span></div>
@@ -1355,7 +1372,8 @@
    <span class="n">offline</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">ip_db_path</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">strip_attachment_payloads</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">ForensicReport</span><span class="p">:</span>
 <span class="w">    </span><span class="sd">&quot;&quot;&quot;</span>
@@ -1373,6 +1391,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        dns_timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        strip_attachment_payloads (bool): Remove attachment payloads from</span>
 <span class="sd">            forensic report results</span>

@@ -1427,6 +1447,7 @@
            <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
            <span class="n">timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+            <span class="n">retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
        <span class="p">)</span>
        <span class="n">parsed_report</span><span class="p">[</span><span class="s2">&quot;source&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">parsed_report_source</span>
        <span class="k">del</span> <span class="n">parsed_report</span><span class="p">[</span><span class="s2">&quot;source_ip&quot;</span><span class="p">]</span>
@@ -1595,7 +1616,8 @@
    <span class="n">reverse_dns_map_path</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">reverse_dns_map_url</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">strip_attachment_payloads</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">keep_alive</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Callable</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">normalize_timespan_threshold_hours</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">24.0</span><span class="p">,</span>
@@ -1612,6 +1634,8 @@
 <span class="sd">        offline (bool): Do not query online for geolocation on DNS</span>
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">        dns_timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        strip_attachment_payloads (bool): Remove attachment payloads from</span>
 <span class="sd">            forensic report results</span>
 <span class="sd">        keep_alive (callable): keep alive function</span>
@@ -1738,6 +1762,7 @@
                        <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
                        <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                        <span class="n">timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+                        <span class="n">retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
                        <span class="n">keep_alive</span><span class="o">=</span><span class="n">keep_alive</span><span class="p">,</span>
                        <span class="n">normalize_timespan_threshold_hours</span><span class="o">=</span><span class="n">normalize_timespan_threshold_hours</span><span class="p">,</span>
                    <span class="p">)</span>
@@ -1773,6 +1798,7 @@
                <span class="n">reverse_dns_map_url</span><span class="o">=</span><span class="n">reverse_dns_map_url</span><span class="p">,</span>
                <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+                <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
                <span class="n">strip_attachment_payloads</span><span class="o">=</span><span class="n">strip_attachment_payloads</span><span class="p">,</span>
            <span class="p">)</span>
        <span class="k">except</span> <span class="n">InvalidForensicReport</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
@@ -1802,7 +1828,8 @@
    <span class="n">input_</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">bytes</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">os</span><span class="o">.</span><span class="n">PathLike</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">os</span><span class="o">.</span><span class="n">PathLike</span><span class="p">[</span><span class="nb">bytes</span><span class="p">],</span> <span class="n">BinaryIO</span><span class="p">],</span>
    <span class="o">*</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">strip_attachment_payloads</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">ip_db_path</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">always_use_local_files</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
@@ -1821,6 +1848,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        dns_timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        strip_attachment_payloads (bool): Remove attachment payloads from</span>
 <span class="sd">            forensic report results</span>
 <span class="sd">        ip_db_path (str): Path to a MMDB file from MaxMind or DBIP</span>
@@ -1860,6 +1889,7 @@
            <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
            <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+            <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
            <span class="n">keep_alive</span><span class="o">=</span><span class="n">keep_alive</span><span class="p">,</span>
            <span class="n">normalize_timespan_threshold_hours</span><span class="o">=</span><span class="n">normalize_timespan_threshold_hours</span><span class="p">,</span>
        <span class="p">)</span>
@@ -1879,6 +1909,7 @@
                    <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
                    <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                    <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+                    <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
                    <span class="n">strip_attachment_payloads</span><span class="o">=</span><span class="n">strip_attachment_payloads</span><span class="p">,</span>
                    <span class="n">keep_alive</span><span class="o">=</span><span class="n">keep_alive</span><span class="p">,</span>
                    <span class="n">normalize_timespan_threshold_hours</span><span class="o">=</span><span class="n">normalize_timespan_threshold_hours</span><span class="p">,</span>
@@ -1898,7 +1929,8 @@
    <span class="n">input_</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span>
    <span class="o">*</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">strip_attachment_payloads</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">ip_db_path</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">always_use_local_files</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
@@ -1915,6 +1947,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        dns_timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        strip_attachment_payloads (bool): Remove attachment payloads from</span>
 <span class="sd">            forensic report results</span>
 <span class="sd">        always_use_local_files (bool): Do not download files</span>
@@ -1951,6 +1985,7 @@
                    <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
                    <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                    <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+                    <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
                    <span class="n">strip_attachment_payloads</span><span class="o">=</span><span class="n">sa</span><span class="p">,</span>
                    <span class="n">normalize_timespan_threshold_hours</span><span class="o">=</span><span class="n">normalize_timespan_threshold_hours</span><span class="p">,</span>
                <span class="p">)</span>
@@ -1998,6 +2033,7 @@
    <span class="n">offline</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">6.0</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">strip_attachment_payloads</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">results</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">ParsingResults</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">batch_size</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">10</span><span class="p">,</span>
@@ -2021,6 +2057,8 @@
 <span class="sd">        offline (bool): Do not query online for geolocation or DNS</span>
 <span class="sd">        nameservers (list): A list of DNS nameservers to query</span>
 <span class="sd">        dns_timeout (float): Set the DNS query timeout</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        strip_attachment_payloads (bool): Remove attachment payloads from</span>
 <span class="sd">            forensic report results</span>
 <span class="sd">        results (dict): Results from the previous run</span>
@@ -2144,6 +2182,7 @@
                <span class="n">msg_content</span><span class="p">,</span>
                <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
                <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+                <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
                <span class="n">ip_db_path</span><span class="o">=</span><span class="n">ip_db_path</span><span class="p">,</span>
                <span class="n">always_use_local_files</span><span class="o">=</span><span class="n">always_use_local_files</span><span class="p">,</span>
                <span class="n">reverse_dns_map_path</span><span class="o">=</span><span class="n">reverse_dns_map_path</span><span class="p">,</span>
@@ -2302,6 +2341,7 @@
            <span class="n">test</span><span class="o">=</span><span class="n">test</span><span class="p">,</span>
            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
            <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+            <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
            <span class="n">strip_attachment_payloads</span><span class="o">=</span><span class="n">strip_attachment_payloads</span><span class="p">,</span>
            <span class="n">results</span><span class="o">=</span><span class="n">results</span><span class="p">,</span>
            <span class="n">ip_db_path</span><span class="o">=</span><span class="n">ip_db_path</span><span class="p">,</span>
@@ -2335,6 +2375,7 @@
    <span class="n">offline</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">dns_timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">6.0</span><span class="p">,</span>
+    <span class="n">dns_retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
    <span class="n">strip_attachment_payloads</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">batch_size</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">10</span><span class="p">,</span>
    <span class="n">since</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Union</span><span class="p">[</span><span class="n">datetime</span><span class="p">,</span> <span class="n">date</span><span class="p">,</span> <span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
@@ -2362,6 +2403,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        dns_timeout (float): Set the DNS query timeout</span>
+<span class="sd">        dns_retries (int): Number of times to retry DNS queries on timeout</span>
+<span class="sd">            or other transient errors</span>
 <span class="sd">        strip_attachment_payloads (bool): Replace attachment payloads in</span>
 <span class="sd">            forensic report samples with None</span>
 <span class="sd">        batch_size (int): Number of messages to read and process before saving</span>
@@ -2385,6 +2428,7 @@
            <span class="n">offline</span><span class="o">=</span><span class="n">offline</span><span class="p">,</span>
            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
            <span class="n">dns_timeout</span><span class="o">=</span><span class="n">dns_timeout</span><span class="p">,</span>
+            <span class="n">dns_retries</span><span class="o">=</span><span class="n">dns_retries</span><span class="p">,</span>
            <span class="n">strip_attachment_payloads</span><span class="o">=</span><span class="n">strip_attachment_payloads</span><span class="p">,</span>
            <span class="n">batch_size</span><span class="o">=</span><span class="n">batch_size</span><span class="p">,</span>
            <span class="n">since</span><span class="o">=</span><span class="n">since</span><span class="p">,</span>
--- a/_modules/parsedmarc/elastic.html
+++ b/_modules/parsedmarc/elastic.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc.elastic &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc.elastic &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../../_static/css/theme.css?v=e59714d7" />

  
      <script src="../../_static/jquery.js?v=5d32c60e"></script>
      <script src="../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../../_static/doctools.js?v=9bcbadda"></script>
      <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../../_static/js/theme.js"></script>
--- a/_modules/parsedmarc/opensearch.html
+++ b/_modules/parsedmarc/opensearch.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc.opensearch &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc.opensearch &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../../_static/css/theme.css?v=e59714d7" />

  
      <script src="../../_static/jquery.js?v=5d32c60e"></script>
      <script src="../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../../_static/doctools.js?v=9bcbadda"></script>
      <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../../_static/js/theme.js"></script>
--- a/_modules/parsedmarc/splunk.html
+++ b/_modules/parsedmarc/splunk.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc.splunk &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc.splunk &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../../_static/css/theme.css?v=e59714d7" />

  
      <script src="../../_static/jquery.js?v=5d32c60e"></script>
      <script src="../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../../_static/doctools.js?v=9bcbadda"></script>
      <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../../_static/js/theme.js"></script>
--- a/_modules/parsedmarc/types.html
+++ b/_modules/parsedmarc/types.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc.types &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc.types &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../../_static/css/theme.css?v=e59714d7" />

  
      <script src="../../_static/jquery.js?v=5d32c60e"></script>
      <script src="../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../../_static/doctools.js?v=9bcbadda"></script>
      <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../../_static/js/theme.js"></script>
--- a/_modules/parsedmarc/utils.html
+++ b/_modules/parsedmarc/utils.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc.utils &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc.utils &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../../_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="../../_static/css/theme.css?v=e59714d7" />

  
      <script src="../../_static/jquery.js?v=5d32c60e"></script>
      <script src="../../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="../../_static/documentation_options.js?v=854825c2"></script>
+      <script src="../../_static/documentation_options.js?v=2130a1db"></script>
      <script src="../../_static/doctools.js?v=9bcbadda"></script>
      <script src="../../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../../_static/js/theme.js"></script>
@@ -122,9 +122,22 @@

 <span class="kn">import</span><span class="w"> </span><span class="nn">parsedmarc.resources.dbip</span>
 <span class="kn">import</span><span class="w"> </span><span class="nn">parsedmarc.resources.maps</span>
-<span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.constants</span><span class="w"> </span><span class="kn">import</span> <span class="n">USER_AGENT</span>
+<span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.constants</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
+    <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
+    <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">USER_AGENT</span><span class="p">,</span>
+<span class="p">)</span>
 <span class="kn">from</span><span class="w"> </span><span class="nn">parsedmarc.log</span><span class="w"> </span><span class="kn">import</span> <span class="n">logger</span>

+<span class="c1"># Errors considered transient and retryable by query_dns. LifetimeTimeout is</span>
+<span class="c1"># dnspython&#39;s deadline expiry; NoNameservers typically wraps a SERVFAIL from</span>
+<span class="c1"># upstream; OSError covers socket-level failures during TCP fallback.</span>
+<span class="n">_RETRYABLE_DNS_ERRORS</span> <span class="o">=</span> <span class="p">(</span>
+    <span class="n">dns</span><span class="o">.</span><span class="n">resolver</span><span class="o">.</span><span class="n">LifetimeTimeout</span><span class="p">,</span>
+    <span class="n">dns</span><span class="o">.</span><span class="n">resolver</span><span class="o">.</span><span class="n">NoNameservers</span><span class="p">,</span>
+    <span class="ne">OSError</span><span class="p">,</span>
+<span class="p">)</span>
+
 <span class="n">parenthesis_regex</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="sa">r</span><span class="s2">&quot;\s*\(.*\)\s*&quot;</span><span class="p">)</span>

 <span class="n">null_file</span> <span class="o">=</span> <span class="nb">open</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">devnull</span><span class="p">,</span> <span class="s2">&quot;w&quot;</span><span class="p">)</span>
@@ -294,7 +307,9 @@
    <span class="o">*</span><span class="p">,</span>
    <span class="n">cache</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">ExpiringDict</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
+    <span class="n">_attempt</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
 <span class="w">    </span><span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">    Queries DNS</span>
@@ -304,8 +319,21 @@
 <span class="sd">        record_type (str): The record type to query for</span>
 <span class="sd">        cache (ExpiringDict): Cache storage</span>
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
-<span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
-<span class="sd">        timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">            (Cloudflare&#39;s public DNS resolvers by default). Pass</span>
+<span class="sd">            ``parsedmarc.constants.RECOMMENDED_DNS_NAMESERVERS`` for a</span>
+<span class="sd">            cross-provider mix that fails over when one provider&#39;s path is</span>
+<span class="sd">            slow or broken.</span>
+<span class="sd">        timeout (float): Overall DNS lifetime budget in seconds per</span>
+<span class="sd">            configured nameserver. Per-query UDP attempts are capped at</span>
+<span class="sd">            ``min(1.0, timeout)`` so dnspython retries within the lifetime on</span>
+<span class="sd">            transient UDP packet loss (mirroring ``dig``&#39;s default</span>
+<span class="sd">            ``+tries=3`` behavior); with multiple nameservers configured this</span>
+<span class="sd">            same cap also makes a slow or broken nameserver fall through to</span>
+<span class="sd">            the next quickly.</span>
+<span class="sd">        retries (int): Number of times to retry the whole query after a</span>
+<span class="sd">            timeout or other transient error (``LifetimeTimeout``,</span>
+<span class="sd">            ``NoNameservers``, ``OSError``). Failover between configured</span>
+<span class="sd">            nameservers happens within each attempt.</span>

 <span class="sd">    Returns:</span>
 <span class="sd">        list: A list of answers</span>
@@ -328,12 +356,36 @@
            <span class="s2">&quot;2606:4700:4700::1001&quot;</span><span class="p">,</span>
        <span class="p">]</span>
    <span class="n">resolver</span><span class="o">.</span><span class="n">nameservers</span> <span class="o">=</span> <span class="n">nameservers</span>
-    <span class="n">resolver</span><span class="o">.</span><span class="n">timeout</span> <span class="o">=</span> <span class="n">timeout</span>
-    <span class="n">resolver</span><span class="o">.</span><span class="n">lifetime</span> <span class="o">=</span> <span class="n">timeout</span>
+    <span class="c1"># Cap per-query UDP timeout at 1s so dnspython retries within the</span>
+    <span class="c1"># lifetime window on transient packet loss — otherwise with a single</span>
+    <span class="c1"># nameserver and timeout == lifetime, one dropped UDP datagram consumes</span>
+    <span class="c1"># the whole budget and raises LifetimeTimeout without a retry (dig&#39;s</span>
+    <span class="c1"># default +tries=3 masks this case). With multiple nameservers the same</span>
+    <span class="c1"># cap lets a slow/broken one fall through.</span>
+    <span class="n">resolver</span><span class="o">.</span><span class="n">timeout</span> <span class="o">=</span> <span class="nb">min</span><span class="p">(</span><span class="mf">1.0</span><span class="p">,</span> <span class="n">timeout</span><span class="p">)</span>
+    <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">resolver</span><span class="o">.</span><span class="n">nameservers</span><span class="p">)</span> <span class="o">&gt;</span> <span class="mi">1</span><span class="p">:</span>
+        <span class="n">resolver</span><span class="o">.</span><span class="n">lifetime</span> <span class="o">=</span> <span class="n">timeout</span> <span class="o">*</span> <span class="nb">len</span><span class="p">(</span><span class="n">resolver</span><span class="o">.</span><span class="n">nameservers</span><span class="p">)</span>
+    <span class="k">else</span><span class="p">:</span>
+        <span class="n">resolver</span><span class="o">.</span><span class="n">lifetime</span> <span class="o">=</span> <span class="n">timeout</span>
+    <span class="k">try</span><span class="p">:</span>
+        <span class="n">answers</span> <span class="o">=</span> <span class="n">resolver</span><span class="o">.</span><span class="n">resolve</span><span class="p">(</span><span class="n">domain</span><span class="p">,</span> <span class="n">record_type</span><span class="p">,</span> <span class="n">lifetime</span><span class="o">=</span><span class="n">resolver</span><span class="o">.</span><span class="n">lifetime</span><span class="p">)</span>
+    <span class="k">except</span> <span class="n">_RETRYABLE_DNS_ERRORS</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
+        <span class="n">_attempt</span> <span class="o">+=</span> <span class="mi">1</span>
+        <span class="k">if</span> <span class="n">_attempt</span> <span class="o">&gt;</span> <span class="n">retries</span><span class="p">:</span>
+            <span class="k">raise</span> <span class="n">e</span>
+        <span class="k">return</span> <span class="n">query_dns</span><span class="p">(</span>
+            <span class="n">domain</span><span class="p">,</span>
+            <span class="n">record_type</span><span class="p">,</span>
+            <span class="n">cache</span><span class="o">=</span><span class="n">cache</span><span class="p">,</span>
+            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
+            <span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span>
+            <span class="n">retries</span><span class="o">=</span><span class="n">retries</span><span class="p">,</span>
+            <span class="n">_attempt</span><span class="o">=</span><span class="n">_attempt</span><span class="p">,</span>
+        <span class="p">)</span>
    <span class="n">records</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span>
        <span class="nb">map</span><span class="p">(</span>
            <span class="k">lambda</span> <span class="n">r</span><span class="p">:</span> <span class="n">r</span><span class="o">.</span><span class="n">to_text</span><span class="p">()</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;&quot;&#39;</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">rstrip</span><span class="p">(</span><span class="s2">&quot;.&quot;</span><span class="p">),</span>
-            <span class="n">resolver</span><span class="o">.</span><span class="n">resolve</span><span class="p">(</span><span class="n">domain</span><span class="p">,</span> <span class="n">record_type</span><span class="p">,</span> <span class="n">lifetime</span><span class="o">=</span><span class="n">timeout</span><span class="p">),</span>
+            <span class="n">answers</span><span class="p">,</span>
        <span class="p">)</span>
    <span class="p">)</span>
    <span class="k">if</span> <span class="n">cache</span><span class="p">:</span>
@@ -350,7 +402,8 @@
    <span class="o">*</span><span class="p">,</span>
    <span class="n">cache</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">ExpiringDict</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span>
 <span class="w">    </span><span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">    Resolves an IP address to a hostname using a reverse DNS query</span>
@@ -361,6 +414,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        timeout (float): Sets the DNS query timeout in seconds</span>
+<span class="sd">        retries (int): Number of times to retry on timeout or other transient</span>
+<span class="sd">            errors</span>

 <span class="sd">    Returns:</span>
 <span class="sd">        str: The reverse DNS hostname (if any)</span>
@@ -369,7 +424,12 @@
    <span class="k">try</span><span class="p">:</span>
        <span class="n">address</span> <span class="o">=</span> <span class="n">dns</span><span class="o">.</span><span class="n">reversename</span><span class="o">.</span><span class="n">from_address</span><span class="p">(</span><span class="n">ip_address</span><span class="p">)</span>
        <span class="n">hostname</span> <span class="o">=</span> <span class="n">query_dns</span><span class="p">(</span>
-            <span class="nb">str</span><span class="p">(</span><span class="n">address</span><span class="p">),</span> <span class="s2">&quot;PTR&quot;</span><span class="p">,</span> <span class="n">cache</span><span class="o">=</span><span class="n">cache</span><span class="p">,</span> <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span> <span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span>
+            <span class="nb">str</span><span class="p">(</span><span class="n">address</span><span class="p">),</span>
+            <span class="s2">&quot;PTR&quot;</span><span class="p">,</span>
+            <span class="n">cache</span><span class="o">=</span><span class="n">cache</span><span class="p">,</span>
+            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
+            <span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span>
+            <span class="n">retries</span><span class="o">=</span><span class="n">retries</span><span class="p">,</span>
        <span class="p">)[</span><span class="mi">0</span><span class="p">]</span>

    <span class="k">except</span> <span class="n">dns</span><span class="o">.</span><span class="n">exception</span><span class="o">.</span><span class="n">DNSException</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
@@ -751,7 +811,8 @@
    <span class="n">reverse_dns_map</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">ReverseDNSMap</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
    <span class="n">offline</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span>
    <span class="n">nameservers</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="nb">list</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
-    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="mf">2.0</span><span class="p">,</span>
+    <span class="n">timeout</span><span class="p">:</span> <span class="nb">float</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_TIMEOUT</span><span class="p">,</span>
+    <span class="n">retries</span><span class="p">:</span> <span class="nb">int</span> <span class="o">=</span> <span class="n">DEFAULT_DNS_MAX_RETRIES</span><span class="p">,</span>
 <span class="p">)</span> <span class="o">-&gt;</span> <span class="n">IPAddressInfo</span><span class="p">:</span>
 <span class="w">    </span><span class="sd">&quot;&quot;&quot;</span>
 <span class="sd">    Returns reverse DNS and country information for the given IP address</span>
@@ -768,6 +829,8 @@
 <span class="sd">        nameservers (list): A list of one or more nameservers to use</span>
 <span class="sd">            (Cloudflare&#39;s public DNS resolvers by default)</span>
 <span class="sd">        timeout (float): Sets the DNS timeout in seconds</span>
+<span class="sd">        retries (int): Number of times to retry on timeout or other transient</span>
+<span class="sd">            errors</span>

 <span class="sd">    Returns:</span>
 <span class="sd">        dict: ``ip_address``, ``reverse_dns``, ``country``</span>
@@ -795,7 +858,10 @@
        <span class="n">reverse_dns</span> <span class="o">=</span> <span class="kc">None</span>
    <span class="k">else</span><span class="p">:</span>
        <span class="n">reverse_dns</span> <span class="o">=</span> <span class="n">get_reverse_dns</span><span class="p">(</span>
-            <span class="n">ip_address</span><span class="p">,</span> <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span> <span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span>
+            <span class="n">ip_address</span><span class="p">,</span>
+            <span class="n">nameservers</span><span class="o">=</span><span class="n">nameservers</span><span class="p">,</span>
+            <span class="n">timeout</span><span class="o">=</span><span class="n">timeout</span><span class="p">,</span>
+            <span class="n">retries</span><span class="o">=</span><span class="n">retries</span><span class="p">,</span>
        <span class="p">)</span>
    <span class="n">country</span> <span class="o">=</span> <span class="n">get_ip_address_country</span><span class="p">(</span><span class="n">ip_address</span><span class="p">,</span> <span class="n">db_path</span><span class="o">=</span><span class="n">ip_db_path</span><span class="p">)</span>
    <span class="n">info</span><span class="p">[</span><span class="s2">&quot;country&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">country</span>
--- a/_static/documentation_options.js
+++ b/_static/documentation_options.js
@@ -1,5 +1,5 @@
 const DOCUMENTATION_OPTIONS = {
-    VERSION: '9.7.0',
+    VERSION: '9.7.1',
    LANGUAGE: 'en',
    COLLAPSE_INDEX: false,
    BUILDER: 'html',
--- a/api.html
+++ b/api.html
--- a/contributing.html
+++ b/contributing.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Contributing to parsedmarc &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Contributing to parsedmarc &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
      <script src="_static/jquery.js?v=5d32c60e"></script>
      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/davmail.html
+++ b/davmail.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Accessing an inbox using OWA/EWS &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Accessing an inbox using OWA/EWS &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
      <script src="_static/jquery.js?v=5d32c60e"></script>
      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/dmarc.html
+++ b/dmarc.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Understanding DMARC &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Understanding DMARC &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
      <script src="_static/jquery.js?v=5d32c60e"></script>
      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/elasticsearch.html
+++ b/elasticsearch.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Elasticsearch and Kibana &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Elasticsearch and Kibana &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
      <script src="_static/jquery.js?v=5d32c60e"></script>
      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/genindex.html
+++ b/genindex.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Index &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Index &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
      <script src="_static/jquery.js?v=5d32c60e"></script>
      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/index.html
+++ b/index.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>parsedmarc documentation - Open source DMARC report analyzer and visualizer &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>parsedmarc documentation - Open source DMARC report analyzer and visualizer &mdash; parsedmarc 9.7.1 documentation</title>
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
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+      <script src="_static/documentation_options.js?v=2130a1db"></script>
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+++ b/installation.html
@@ -6,14 +6,14 @@
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  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Installation &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Installation &mdash; parsedmarc 9.7.1 documentation</title>
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      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
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--- a/kibana.html
+++ b/kibana.html
@@ -6,14 +6,14 @@
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  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Using the Kibana dashboards &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Using the Kibana dashboards &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
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--- a/mailing-lists.html
+++ b/mailing-lists.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>What about mailing lists? &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>What about mailing lists? &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
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      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/objects.inv
+++ b/objects.inv
@@ -1,6 +1,6 @@
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 # Project: parsedmarc
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--- a/opensearch.html
+++ b/opensearch.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>OpenSearch and Grafana &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>OpenSearch and Grafana &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
      <script src="_static/jquery.js?v=5d32c60e"></script>
      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="_static/js/theme.js"></script>
--- a/output.html
+++ b/output.html
@@ -6,14 +6,14 @@
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Sample outputs &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Sample outputs &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
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--- a/py-modindex.html
+++ b/py-modindex.html
@@ -5,14 +5,14 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Python Module Index &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Python Module Index &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

  
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
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--- a/search.html
+++ b/search.html
@@ -5,7 +5,7 @@
 <head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Search &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Search &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
      <link rel="stylesheet" type="text/css" href="_static/css/theme.css?v=e59714d7" />

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-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
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      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
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--- a/searchindex.js
+++ b/searchindex.js
--- a/splunk.html
+++ b/splunk.html
@@ -6,14 +6,14 @@
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  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Splunk &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Splunk &mdash; parsedmarc 9.7.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="_static/pygments.css?v=b86133f3" />
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
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--- a/usage.html
+++ b/usage.html
@@ -6,14 +6,14 @@
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  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Using parsedmarc &mdash; parsedmarc 9.7.0 documentation</title>
+  <title>Using parsedmarc &mdash; parsedmarc 9.7.1 documentation</title>
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      <script src="_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
-      <script src="_static/documentation_options.js?v=854825c2"></script>
+      <script src="_static/documentation_options.js?v=2130a1db"></script>
      <script src="_static/doctools.js?v=9bcbadda"></script>
      <script src="_static/sphinx_highlight.js?v=dc90522c"></script>
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