diff --git a/playbooks/group_vars/adns.yaml b/playbooks/group_vars/adns.yaml
index 9af283dc78..be098ff02a 100644
--- a/playbooks/group_vars/adns.yaml
+++ b/playbooks/group_vars/adns.yaml
@@ -1,4 +1,10 @@
 iptables_extra_allowed_hosts:
+  - protocol: tcp
+    port: 53
+    hostname: ns1.opendev.org
+  - protocol: tcp
+    port: 53
+    hostname: ns2.opendev.org
   - protocol: tcp
     port: 53
     hostname: ns1.openstack.org