diff --git a/modules/desktop/networking.nix b/modules/desktop/networking.nix
index cfa2f5b..7b5f7eb 100644
--- a/modules/desktop/networking.nix
+++ b/modules/desktop/networking.nix
@@ -42,6 +42,17 @@ in {
           "googletagservices.com"
           "googlesyndication.com"
         ];
+        "91.107.221.11" = [
+          "katzen.cafe"
+          "matrix.katzen.cafe"
+          "design.katzen.cafe"
+          "ck.katzen.cafe"
+          "forge.katzen.cafe"
+          "pad.katzen.cafe"
+          "mail.katzen.cafe"
+          "wolke.katzen.cafe"
+          "auth.katzen.cafe"
+        ];
       };
     };
     environment.etc = with builtins; (