diff --git a/bundles/powerdns/files/pdns.conf b/bundles/powerdns/files/pdns.conf
index 27fa53b..c79444a 100644
--- a/bundles/powerdns/files/pdns.conf
+++ b/bundles/powerdns/files/pdns.conf
@@ -14,7 +14,8 @@ server-id=${my_hostname}
 default-ttl=60
 
 % if is_secondary:
-# Primary servers: ${', '.join(sorted(my_primary_servers['nodes']))}
+allow-notify-from=${','.join(sorted(my_primary_servers))}
+
 slave=yes
 superslave=yes
 allow-notify-from=${','.join(sorted(my_primary_servers['ips']))}
diff --git a/bundles/powerdns/metadata.py b/bundles/powerdns/metadata.py
index 1161c37..403bba4 100644
--- a/bundles/powerdns/metadata.py
+++ b/bundles/powerdns/metadata.py
@@ -27,26 +27,39 @@ defaults = {
 }
 
 
+@metadata_reactor
+def get_ips_of_secondary_nameservers(metadata):
+    if metadata.get('powerdns/is_secondary', False):
+        return {}
+
+    ips = set()
+    for rnode in repo.nodes_in_group('dns'):
+        if rnode.metadata.get('powerdns/is_secondary', False):
+            ips.update({
+                str(ip) for ip in repo.libs.tools.resolve_identifier(repo, rnode.name)
+            })
+
+    return {
+        'powerdns': {
+            'my_secondary_servers': ips,
+        },
+    }
+
 @metadata_reactor
 def get_ips_of_primary_nameservers(metadata):
     if not metadata.get('powerdns/is_secondary', False):
         return {}
 
     ips = set()
-    nodes = set()
     for rnode in repo.nodes_in_group('dns'):
         if not rnode.metadata.get('powerdns/is_secondary', False):
             ips.update({
                 str(ip) for ip in repo.libs.tools.resolve_identifier(repo, rnode.name)
             })
-            nodes.add(rnode.name)
 
     return {
         'powerdns': {
-            'my_primary_servers': {
-                'ips': ips,
-                'nodes': nodes,
-            },
+            'my_primary_servers': ips,
         },
     }