diff --git a/parsedmarc/__init__.py b/parsedmarc/__init__.py
index 3a7fc4c..5bc909f 100644
--- a/parsedmarc/__init__.py
+++ b/parsedmarc/__init__.py
@@ -52,6 +52,7 @@ MAGIC_XML = b"\x3c\x3f\x78\x6d\x6c\x20"
 
 DNS_CACHE = dict()
 
+
 class ParserError(RuntimeError):
     """Raised whenever the parser fails for some reason"""
 
@@ -213,8 +214,6 @@ def parse_aggregate_report_xml(xml, nameservers=None, timeout=2.0):
     """
     errors = []
 
-    DNS_CACHE = dict()
-
     try:
         xmltodict.parse(xml)["feedback"]
     except Exception as e: