diff --git a/DOMAINS.md b/DOMAINS.md
index 34056e8..1a81739 100644
--- a/DOMAINS.md
+++ b/DOMAINS.md
@@ -130,6 +130,8 @@
 - KidiNet.de
 - bildungslogin-bw.de
 - storygrab.net
+- [HDDEN].de
+- [HDDEN].de
 
 [dnbx.de](https://dnbx.de/#domainlist) has up-to-date data.
 *--- Some Domains may be expired at this time* ---