diff --git a/ansible/inventories/group_vars/nameserver/sifi.yaml b/ansible/inventories/group_vars/nameserver/sifi.yaml
index 0ce7940..62ea9f9 100644
--- a/ansible/inventories/group_vars/nameserver/sifi.yaml
+++ b/ansible/inventories/group_vars/nameserver/sifi.yaml
@@ -6,14 +6,10 @@ bind_listen:
     - port: 53
       addresses:
         - "127.0.0.1"
-        - "{{ ansible_default_ipv4.address }}"
+        - "146.48.108.51"
     - port: 5353
       addresses:
         - "127.0.1.1"
-  ipv6:
-    - port: 53
-      addresses:
-        - "{{ ansible_default_ipv4.address }}"
 
 
 bind_zones: