diff --git a/libraries/helpers/src/subdomain/all.two.level.subdomain.ts b/libraries/helpers/src/subdomain/all.two.level.subdomain.ts
index d0f2c17e..02130408 100644
--- a/libraries/helpers/src/subdomain/all.two.level.subdomain.ts
+++ b/libraries/helpers/src/subdomain/all.two.level.subdomain.ts
@@ -1,4 +1,5 @@
 export const allTwoLevelSubdomain = [
+    ".com.de",
     ".net.ac",
     ".ddns.net",
     ".tplinkdns.com",