diff --git a/libraries/helpers/src/subdomain/all.two.level.subdomain.ts b/libraries/helpers/src/subdomain/all.two.level.subdomain.ts
index 0ce685ca..b34a2adf 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",
     ".gov.ac",
     ".org.ac",