diff --git a/resources/chaosknoten/auth-dns/zones/ccchh.net.zone b/resources/chaosknoten/auth-dns/zones/ccchh.net.zone
index c60074a9..0a5019b9 100644
--- a/resources/chaosknoten/auth-dns/zones/ccchh.net.zone
+++ b/resources/chaosknoten/auth-dns/zones/ccchh.net.zone
@@ -71,6 +71,8 @@ okilaser            A     10.89.212.235
 t-mix               A     10.89.212.42
 fritz-fon           A     10.89.212.86
 
+crabsdr             A     10.89.212.40
+
 staubi              A     10.89.212.232
 staubiv2            A     10.89.212.233
 
diff --git a/resources/z9/z9-router/kea_dhcp.yaml b/resources/z9/z9-router/kea_dhcp.yaml
index 53a89dfa..50db8e7b 100644
--- a/resources/z9/z9-router/kea_dhcp.yaml
+++ b/resources/z9/z9-router/kea_dhcp.yaml
@@ -119,6 +119,9 @@ kea_dhcp__dhcp4:
         - ip-address: 10.89.212.39
           hostname: wled-eh22
           hw-address: "a8:42:e3:5b:37:00"
+        - ip-address: 10.89.212.40
+          hostname: crabsdr
+          hw-address: "14:b3:1f:28:87:10"
         - ip-address: 10.89.212.42
           hostname: t-mix
           hw-address: "40:a5:ef:d9:eb:93"