diff --git a/neutron/common/ovn/extensions.py b/neutron/common/ovn/extensions.py
index 70094705502..7759194d381 100644
--- a/neutron/common/ovn/extensions.py
+++ b/neutron/common/ovn/extensions.py
@@ -88,6 +88,7 @@ ML2_SUPPORTED_API_EXTENSIONS = [
     az_def.ALIAS,
     portbindings.ALIAS,
     default_subnetpools.ALIAS,
+    dns.ALIAS,
     external_net.ALIAS,
     extra_dhcp_opt.ALIAS,
     filter_validation.ALIAS,
diff --git a/neutron/services/ovn_l3/plugin.py b/neutron/services/ovn_l3/plugin.py
index 137fe563974..c44ca5fc276 100644
--- a/neutron/services/ovn_l3/plugin.py
+++ b/neutron/services/ovn_l3/plugin.py
@@ -12,12 +12,9 @@
 #    under the License.
 #
 
-from neutron_lib.api.definitions import dns as dns_apidef
-from neutron_lib.api.definitions import dns_domain_keywords
 from neutron_lib.api.definitions import external_net
 from neutron_lib.api.definitions import portbindings
 from neutron_lib.api.definitions import provider_net as pnet
-from neutron_lib.api import extensions as api_extensions
 from neutron_lib.callbacks import events
 from neutron_lib.callbacks import registry
 from neutron_lib.callbacks import resources
@@ -102,20 +99,11 @@ class OVNL3RouterPlugin(service_base.ServicePluginBase,
         if not qos_service_plugin and qos_aliases:
             aliases.remove(qos_fip_api.FIP_QOS_ALIAS)
 
-    @staticmethod
-    def disable_dns_extension_by_extension_drivers(aliases):
-        core_plugin = directory.get_plugin()
-        if not api_extensions.is_extension_supported(
-                core_plugin, dns_apidef.ALIAS):
-            aliases.remove(dns_apidef.ALIAS)
-            aliases.remove(dns_domain_keywords.ALIAS)
-
     @property
     def supported_extension_aliases(self):
         if not hasattr(self, '_aliases'):
             self._aliases = self._supported_extension_aliases[:]
             self.disable_qos_fip_extension_by_extension_drivers(self._aliases)
-            self.disable_dns_extension_by_extension_drivers(self._aliases)
         return self._aliases
 
     @property