diff --git a/neutron/db/l3_db.py b/neutron/db/l3_db.py
index 06779657b6a..093d7649c25 100644
--- a/neutron/db/l3_db.py
+++ b/neutron/db/l3_db.py
@@ -103,8 +103,11 @@ class L3_NAT_dbonly_mixin(l3.RouterPluginBase,
     @property
     def _is_dns_integration_supported(self):
         if self._dns_integration is None:
-            self._dns_integration = utils.is_extension_supported(
-                self._core_plugin, 'dns-integration')
+            self._dns_integration = (
+                utils.is_extension_supported(self._core_plugin,
+                    'dns-integration') or
+                utils.is_extension_supported(self._core_plugin,
+                    'dns-domain-ports'))
         return self._dns_integration
 
     @property
diff --git a/neutron/extensions/dns_domain_ports.py b/neutron/extensions/dns_domain_ports.py
new file mode 100644
index 00000000000..3abd147114e
--- /dev/null
+++ b/neutron/extensions/dns_domain_ports.py
@@ -0,0 +1,60 @@
+# Copyright (c) 2017 IBM
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from neutron_lib.api import converters
+from neutron_lib.api import extensions
+
+from neutron.extensions import dns
+
+
+EXTENDED_ATTRIBUTES_2_0 = {
+    'ports': {
+        dns.DNSDOMAIN: {'allow_post': True, 'allow_put': True,
+                        'default': '',
+                        'convert_to':
+                            converters.convert_string_to_case_insensitive,
+                        'validate': {'type:dns_domain': dns.FQDN_MAX_LEN},
+                        'is_visible': True},
+    },
+}
+
+
+class Dns_domain_ports(extensions.ExtensionDescriptor):
+    """Extension class supporting dns_domain attribute for ports."""
+
+    @classmethod
+    def get_name(cls):
+        return "dns_domain for ports"
+
+    @classmethod
+    def get_alias(cls):
+        return "dns-domain-ports"
+
+    @classmethod
+    def get_description(cls):
+        return "Allows the DNS domain to be specified for a network port."
+
+    @classmethod
+    def get_updated(cls):
+        return "2017-06-25T18:00:00-00:00"
+
+    def get_required_extensions(self):
+        return ["dns-integration"]
+
+    def get_extended_resources(self, version):
+        if version == "2.0":
+            return EXTENDED_ATTRIBUTES_2_0
+        else:
+            return {}
diff --git a/neutron/plugins/ml2/extensions/dns_integration.py b/neutron/plugins/ml2/extensions/dns_integration.py
index a7293ce1ca1..cab66b558e1 100644
--- a/neutron/plugins/ml2/extensions/dns_integration.py
+++ b/neutron/plugins/ml2/extensions/dns_integration.py
@@ -320,6 +320,17 @@ class DNSExtensionDriverML2(DNSExtensionDriver):
         return True
 
 
+class DNSDomainPortsExtensionDriver(DNSExtensionDriverML2):
+    _supported_extension_alias = 'dns-domain-ports'
+
+    @property
+    def extension_alias(self):
+        return self._supported_extension_alias
+
+    def initialize(self):
+        LOG.info(_LI("DNSDomainPortsExtensionDriver initialization complete"))
+
+
 DNS_DRIVER = None
 
 
diff --git a/neutron/tests/unit/plugins/ml2/extensions/test_dns_integration.py b/neutron/tests/unit/plugins/ml2/extensions/test_dns_integration.py
index fa7a5db3559..e87853abe29 100644
--- a/neutron/tests/unit/plugins/ml2/extensions/test_dns_integration.py
+++ b/neutron/tests/unit/plugins/ml2/extensions/test_dns_integration.py
@@ -62,7 +62,8 @@ class DNSIntegrationTestCase(test_plugin.Ml2PluginV2TestCase):
         config.cfg.CONF.set_override('dns_domain', self._domain)
 
     def _create_port_for_test(self, provider_net=True, dns_domain=True,
-                              dns_name=True, ipv4=True, ipv6=True):
+                              dns_name=True, ipv4=True, ipv6=True,
+                              dns_domain_port=False):
         net_kwargs = {}
         if provider_net:
             net_kwargs = {
@@ -91,6 +92,10 @@ class DNSIntegrationTestCase(test_plugin.Ml2PluginV2TestCase):
                 'arg_list': (dns.DNSNAME,),
                 dns.DNSNAME: DNSNAME
             }
+        if dns_domain_port:
+            port_kwargs[dns.DNSDOMAIN] = self._port_domain
+            port_kwargs['arg_list'] = (port_kwargs.get('arg_list', ()) +
+                (dns.DNSDOMAIN,))
         res = self._create_port('json', network['network']['id'],
                                 **port_kwargs)
         self.assertEqual(201, res.status_int)
@@ -528,6 +533,19 @@ class DNSIntegrationTestCaseDefaultDomain(DNSIntegrationTestCase):
         self._verify_port_dns(net, port, dns_data_db)
 
 
+@mock.patch(
+    'neutron.services.externaldns.drivers.designate.driver.get_clients',
+    **mock_config)
+class DNSDomainPortsTestCase(DNSIntegrationTestCase):
+    _extension_drivers = ['dns_domain_ports']
+    _domain = 'domain.com.'
+    _port_domain = 'portdomain.com.'
+
+    def test_create_port(self, *mocks):
+        net, port, dns_data_db = self._create_port_for_test(
+            dns_domain_port=True)
+
+
 class TestDesignateClientKeystoneV2(testtools.TestCase):
     """Test case for designate clients """
 
diff --git a/setup.cfg b/setup.cfg
index f6aaed9c053..f8985f4bda3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -106,6 +106,7 @@ neutron.ml2.extension_drivers =
     qos = neutron.plugins.ml2.extensions.qos:QosExtensionDriver
     dns = neutron.plugins.ml2.extensions.dns_integration:DNSExtensionDriverML2
     data_plane_status = neutron.plugins.ml2.extensions.data_plane_status:DataPlaneStatusExtensionDriver
+    dns_domain_ports = neutron.plugins.ml2.extensions.dns_integration:DNSDomainPortsExtensionDriver
 neutron.ipam_drivers =
     fake = neutron.tests.unit.ipam.fake_driver:FakeDriver
     internal = neutron.ipam.drivers.neutrondb_ipam.driver:NeutronDbPool