diff --git a/inventories/chaosknoten/host_vars/auth-dns.yaml b/inventories/chaosknoten/host_vars/auth-dns.yaml
index 01fadbc..9b94479 100644
--- a/inventories/chaosknoten/host_vars/auth-dns.yaml
+++ b/inventories/chaosknoten/host_vars/auth-dns.yaml
@@ -12,7 +12,7 @@ knot__remotes:
 
 knot__catalog_zones:
   - domain: "hamburg.ccc.de.catalog."
-    notify_targets: [ "ns.vie.ccc.de" ]
+    notify_targets: [ "erfadns.ber.ccc.de", "ns.vie.ccc.de" ]
 
 knot__zones:
   - domain: "hh.ccc.de."