diff --git a/neutron_tempest_plugin/config.py b/neutron_tempest_plugin/config.py
index 36fec30..f7b4065 100644
--- a/neutron_tempest_plugin/config.py
+++ b/neutron_tempest_plugin/config.py
@@ -141,6 +141,9 @@
                      'If True, multicast test(s) will assert that multicast '
                      'traffic is not being flooded to all ports. Defaults '
                      'to False.'),
+    cfg.StrOpt('dns_domain',
+               default='openstackgate.local',
+               help='Name of internal dns zone to use in tests. '),
 ]
 
 # TODO(amuller): Redo configuration options registration as part of the planned
diff --git a/neutron_tempest_plugin/scenario/test_internal_dns.py b/neutron_tempest_plugin/scenario/test_internal_dns.py
index 406af3d..9250fad 100644
--- a/neutron_tempest_plugin/scenario/test_internal_dns.py
+++ b/neutron_tempest_plugin/scenario/test_internal_dns.py
@@ -74,10 +74,13 @@
             servers=[self.server, leia])
 
         resolv_conf = ssh_client.exec_command('cat /etc/resolv.conf')
-        self.assertIn('openstackgate.local', resolv_conf)
+        self.assertIn(CONF.neutron_plugin_options.dns_domain, resolv_conf)
         self.assertNotIn('starwars', resolv_conf)
 
         self.check_remote_connectivity(ssh_client, 'leia',
                                        servers=[self.server, leia])
-        self.check_remote_connectivity(ssh_client, 'leia.openstackgate.local',
-                                       servers=[self.server, leia])
+        self.check_remote_connectivity(
+            ssh_client,
+            'leia.' + CONF.neutron_plugin_options.dns_domain,
+            servers=[self.server, leia]
+        )