diff --git a/Source/domainset/cdn.conf b/Source/domainset/cdn.conf
index cf9b4c6b..ac7e10c2 100644
--- a/Source/domainset/cdn.conf
+++ b/Source/domainset/cdn.conf
@@ -5566,3 +5566,4 @@ cdn.f5.com
 cdn.studio.f5.com
 .cdn.easyling.com
 i.meee.com.tw
+.f-cdn.com