diff --git a/inventory/service/group_vars/adns-primary.yaml b/inventory/service/group_vars/adns-primary.yaml
index a6c401a82c..7fed4e0c56 100644
--- a/inventory/service/group_vars/adns-primary.yaml
+++ b/inventory/service/group_vars/adns-primary.yaml
@@ -6,8 +6,14 @@ dns_repos:
   - name: zone-gating.dev
     url: https://opendev.org/opendev/zone-gating.dev
 dns_notify:
+  # ns1.opendev.org
   - 104.239.140.165
+  # ns2.opendev.org
   - 162.253.55.16
+  # ns03.opendev.org
+  - 104.239.145.127
+  # ns04.opendev.org
+  - 162.253.55.23
 iptables_extra_allowed_hosts:
   - protocol: tcp
     port: 53
@@ -15,3 +21,9 @@ iptables_extra_allowed_hosts:
   - protocol: tcp
     port: 53
     hostname: ns2.opendev.org
+  - protocol: tcp
+    port: 53
+    hostname: ns03.opendev.org
+  - protocol: tcp
+    port: 53
+    hostname: ns04.opendev.org