diff --git a/app/models/mirrors.py b/app/models/mirrors.py
index db79513..fd1462b 100644
--- a/app/models/mirrors.py
+++ b/app/models/mirrors.py
@@ -1,4 +1,5 @@
 import json
+import tldextract
 from datetime import datetime, timedelta
 from typing import Optional, List, Union, Any, Dict
 
@@ -55,7 +56,8 @@ class Origin(AbstractConfiguration):
 
     @property
     def normalised_domain_name(self):
-        return self.domain_name.replace("www.", "")
+        extracted_domain = tldextract.extract(self.domain_name)
+        return extracted_domain.registered_domain
 
     def onion(self) -> Optional[str]:
         tld = extract(self.domain_name).registered_domain