diff --git a/.gitlab/ci/target-test.yml b/.gitlab/ci/target-test.yml
index 45a58c6477..d3fea30137 100644
--- a/.gitlab/ci/target-test.yml
+++ b/.gitlab/ci/target-test.yml
@@ -1077,6 +1077,18 @@ pytest_examples_openthread_br:
     - esp32c6
     - openthread_br
 
+pytest_examples_openthread_bbr:
+  extends:
+    - .pytest_examples_dir_template
+    - .rules:test:example_test-i154
+  needs:
+    - build_pytest_examples_esp32s3
+    - build_pytest_examples_esp32c6
+    - build_pytest_examples_esp32h2
+  tags:
+    - esp32c6
+    - openthread_bbr
+
 pytest_examples_openthread_sleep:
   extends:
     - .pytest_examples_dir_template
diff --git a/examples/openthread/ot_ci_function.py b/examples/openthread/ot_ci_function.py
index 48db7e60e5..b29b32464f 100644
--- a/examples/openthread/ot_ci_function.py
+++ b/examples/openthread/ot_ci_function.py
@@ -361,6 +361,25 @@ def create_host_udp_server(myudp:udp_parameter) -> None:
         sock.close()
 
 
+def host_udp_send_message(udp_target:udp_parameter) -> None:
+    interface_name = get_host_interface_name()
+    try:
+        if udp_target.udp_type == 'INET6':
+            AF_INET = socket.AF_INET6
+        else:
+            AF_INET = socket.AF_INET
+        sock = socket.socket(AF_INET, socket.SOCK_DGRAM)
+        sock.bind(('::', 12350))
+        sock.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, interface_name.encode())
+        sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 32)
+        print('Host is sending message')
+        sock.sendto(udp_target.udp_bytes, (udp_target.addr, udp_target.port))
+    except socket.error:
+        print('Host cannot send message')
+    finally:
+        sock.close()
+
+
 def wait(dut:IdfDut, wait_time:float) -> None:
     dut.expect(pexpect.TIMEOUT, timeout=wait_time)
 
diff --git a/examples/openthread/pytest_otbr.py b/examples/openthread/pytest_otbr.py
index 2ae516518b..d17879b5e2 100644
--- a/examples/openthread/pytest_otbr.py
+++ b/examples/openthread/pytest_otbr.py
@@ -219,6 +219,16 @@ def test_multicast_forwarding_A(Init_interface:bool, dut: Tuple[IdfDut, IdfDut,
         print('ping result:\n', str(out_str))
         role = re.findall(r' (\d+)%', str(out_str))[0]
         assert role != '100'
+        ocf.execute_command(cli, 'udp open')
+        cli.expect('Done', timeout=5)
+        ocf.execute_command(cli, 'udp bind :: 12350')
+        cli.expect('Done', timeout=5)
+        ocf.clean_buffer(cli)
+        target_udp = ocf.udp_parameter('INET6', 'ff04::125', 12350, '', False, 15.0, b'hello')
+        ocf.host_udp_send_message(target_udp)
+        cli.expect('hello', timeout=5)
+        ocf.execute_command(cli, 'udp close')
+        cli.expect('Done', timeout=5)
     finally:
         ocf.execute_command(br, 'factoryreset')
         ocf.execute_command(cli, 'factoryreset')
@@ -623,3 +633,41 @@ def test_basic_startup(dut: Tuple[IdfDut, IdfDut]) -> None:
     finally:
         ocf.execute_command(br, 'factoryreset')
         time.sleep(3)
+
+
+# Case 12: Curl a website via DNS and NAT64
+@pytest.mark.supported_targets
+@pytest.mark.esp32h2
+@pytest.mark.esp32c6
+@pytest.mark.openthread_bbr
+@pytest.mark.flaky(reruns=1, reruns_delay=1)
+@pytest.mark.parametrize(
+    'config, count, app_path, target', [
+        ('rcp|cli_h2|br', 3,
+         f'{os.path.join(os.path.dirname(__file__), "ot_rcp")}'
+         f'|{os.path.join(os.path.dirname(__file__), "ot_cli")}'
+         f'|{os.path.join(os.path.dirname(__file__), "ot_br")}',
+         'esp32c6|esp32h2|esp32s3'),
+    ],
+    indirect=True,
+)
+def test_NAT64_DNS(Init_interface:bool, dut: Tuple[IdfDut, IdfDut, IdfDut]) -> None:
+    br = dut[2]
+    cli  = dut[1]
+    assert Init_interface
+    dut[0].serial.stop_redirect_thread()
+
+    formBasicWiFiThreadNetwork(br, cli)
+    try:
+        ocf.execute_command(br, 'bbr')
+        br.expect('server16', timeout=5)
+        ocf.execute_command(cli, 'dns64server 8.8.8.8')
+        cli.expect('Done', timeout=5)
+        command = 'curl http://www.espressif.com'
+        message = ocf.get_ouput_string(cli, command, 10)
+        assert '<html>' in str(message)
+        assert '301 Moved Permanently' in str(message)
+    finally:
+        ocf.execute_command(br, 'factoryreset')
+        ocf.execute_command(cli, 'factoryreset')
+        time.sleep(3)
diff --git a/tools/ci/idf_pytest/constants.py b/tools/ci/idf_pytest/constants.py
index cda3c8e5bb..bed4a1fc18 100644
--- a/tools/ci/idf_pytest/constants.py
+++ b/tools/ci/idf_pytest/constants.py
@@ -94,6 +94,7 @@ ENV_MARKERS = {
     # multi-dut markers
     'ieee802154': 'ieee802154 related tests should run on ieee802154 runners.',
     'openthread_br': 'tests should be used for openthread border router.',
+    'openthread_bbr': 'tests should be used for openthread border router linked to Internet.',
     'openthread_sleep': 'tests should be used for openthread sleepy device.',
     'zigbee_multi_dut': 'zigbee runner which have multiple duts.',
     'wifi_two_dut': 'tests should be run on runners which has two wifi duts connected.',