diff --git a/helgo.conf b/helgo.conf
index 452a1f1..112135d 100644
--- a/helgo.conf
+++ b/helgo.conf
@@ -10,11 +10,11 @@ zone "helgoland.freifunk.net" IN {
     type master;
     allow-transfer {
 	81.7.15.101; # named.exosphere.de
-	# 78.47.49.236; # ns.ohrensessel.net
+	144.76.72.235; # ns.ohrensessel.net
     };
     also-notify {
 	81.7.15.101; # named.exosphere.de
-    # 78.47.49.236; # ns.ohrensessel.net
+        144.76.72.235; # ns.ohrensessel.net
     };
     file "/etc/bind/master/db.net.freifunk.helgoland";
 };