diff --git a/List/domainset/cdn.conf b/List/domainset/cdn.conf
index 401015d4..0d631b79 100644
--- a/List/domainset/cdn.conf
+++ b/List/domainset/cdn.conf
@@ -1542,3 +1542,5 @@ s2.qwant.com
 .flagcdn.com
 static.snyk.io
 static1.smartbear.co
+img.domaintools.com
+source.domaintools.com