diff --git a/interface-definitions/include/dns/dynamic-service-host-name-server.xml.i b/interface-definitions/include/dns/dynamic-service-host-name-server.xml.i
index ee1af2a36..9dd14f97c 100644
--- a/interface-definitions/include/dns/dynamic-service-host-name-server.xml.i
+++ b/interface-definitions/include/dns/dynamic-service-host-name-server.xml.i
@@ -1,34 +1,35 @@
 <!-- include start from dns/dynamic-service-host-name-server.xml.i -->
 <leafNode name="host-name">
   <properties>
     <help>Hostname to register with Dynamic DNS service</help>
     <constraint>
         #include <include/constraint/host-name.xml.i>
+        <regex>(\@|\*)[-.A-Za-z0-9]*</regex>
     </constraint>
-    <constraintErrorMessage>Host-name must be alphanumeric and can contain hyphens</constraintErrorMessage>
+    <constraintErrorMessage>Host-name must be alphanumeric, can contain hyphens and can be prefixed with '@' or '*'</constraintErrorMessage>
     <multi/>
   </properties>
 </leafNode>
 <leafNode name="server">
   <properties>
     <help>Remote Dynamic DNS server to send updates to</help>
     <valueHelp>
       <format>ipv4</format>
       <description>IPv4 address of the remote server</description>
     </valueHelp>
     <valueHelp>
       <format>ipv6</format>
       <description>IPv6 address of the remote server</description>
     </valueHelp>
     <valueHelp>
       <format>hostname</format>
       <description>Fully qualified domain name of the remote server</description>
     </valueHelp>
     <constraint>
       <validator name="ip-address"/>
       <validator name="fqdn"/>
     </constraint>
     <constraintErrorMessage>Remote server must be IP address or fully qualified domain name</constraintErrorMessage>
   </properties>
 </leafNode>
 <!-- include end -->
diff --git a/smoketest/scripts/cli/test_service_dns_dynamic.py b/smoketest/scripts/cli/test_service_dns_dynamic.py
index b3d8399d9..d9d01b309 100755
--- a/smoketest/scripts/cli/test_service_dns_dynamic.py
+++ b/smoketest/scripts/cli/test_service_dns_dynamic.py
@@ -1,237 +1,261 @@
 #!/usr/bin/env python3
 #
 # Copyright (C) 2019-2023 VyOS maintainers and contributors
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 2 or later as
 # published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import unittest
 import tempfile
 import random
 import string
 
 from base_vyostest_shim import VyOSUnitTestSHIM
 
 from vyos.configsession import ConfigSessionError
 from vyos.utils.process import cmd
 from vyos.utils.process import process_running
 
 DDCLIENT_SYSTEMD_UNIT = '/run/systemd/system/ddclient.service.d/override.conf'
 DDCLIENT_CONF = '/run/ddclient/ddclient.conf'
 DDCLIENT_PID = '/run/ddclient/ddclient.pid'
 DDCLIENT_PNAME = 'ddclient'
 
 base_path = ['service', 'dns', 'dynamic']
 hostname = 'test.ddns.vyos.io'
 zone = 'vyos.io'
 password = 'paSS_@4ord'
 interface = 'eth0'
 
 class TestServiceDDNS(VyOSUnitTestSHIM.TestCase):
     def tearDown(self):
         # Check for running process
         self.assertTrue(process_running(DDCLIENT_PID))
 
         # Delete DDNS configuration
         self.cli_delete(base_path)
         self.cli_commit()
 
         # PID file must no londer exist after process exited
         self.assertFalse(os.path.exists(DDCLIENT_PID))
 
     # IPv4 standard DDNS service configuration
     def test_01_dyndns_service_standard(self):
         ddns = ['address', interface, 'service']
         services = {'cloudflare': {'protocol': 'cloudflare'},
                     'freedns': {'protocol': 'freedns', 'username': 'vyos_user'},
                     'zoneedit': {'protocol': 'zoneedit1', 'username': 'vyos_user'}}
 
         for svc, details in services.items():
             # Always start with a clean CLI instance
             self.cli_delete(base_path)
 
             self.cli_set(base_path + ddns + [svc, 'host-name', hostname])
             self.cli_set(base_path + ddns + [svc, 'password', password])
             self.cli_set(base_path + ddns + [svc, 'zone', zone])
             self.cli_set(base_path + ddns + [svc, 'ttl', ttl])
             for opt, value in details.items():
                 self.cli_set(base_path + ddns + [svc, opt, value])
 
             # 'zone' option is supported and required by 'cloudfare', but not 'freedns' and 'zoneedit'
             self.cli_set(base_path + ddns + [svc, 'zone', zone])
             if details['protocol'] == 'cloudflare':
                 pass
             else:
                 # exception is raised for unsupported ones
                 with self.assertRaises(ConfigSessionError):
                     self.cli_commit()
                 self.cli_delete(base_path + ddns + [svc, 'zone'])
 
             # 'ttl' option is supported by 'cloudfare', but not 'freedns' and 'zoneedit'
             self.cli_set(base_path + ddns + [svc, 'ttl', ttl])
             if details['protocol'] == 'cloudflare':
                 pass
             else:
                 # exception is raised for unsupported ones
                 with self.assertRaises(ConfigSessionError):
                     self.cli_commit()
                 self.cli_delete(base_path + ddns + [svc, 'ttl'])
 
             # commit changes
             self.cli_commit()
 
             # Check the generating config parameters
             ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
             # default value 300 seconds
             self.assertIn(f'daemon=300', ddclient_conf)
             self.assertIn(f'use=if', ddclient_conf)
             self.assertIn(f'if={interface}', ddclient_conf)
             self.assertIn(f'password={password}', ddclient_conf)
 
             for opt in details.keys():
                 if opt == 'username':
                     login = details[opt]
                     self.assertIn(f'login={login}', ddclient_conf)
                 else:
                     tmp = details[opt]
                     self.assertIn(f'{opt}={tmp}', ddclient_conf)
 
     # IPv6 only DDNS service configuration
     def test_02_dyndns_service_ipv6(self):
         timeout = '60'
         ddns = ['address', interface, 'service', 'dynv6']
         proto = 'dyndns2'
         user = 'none'
         password = 'paSS_4ord'
         srv = 'ddns.vyos.io'
         ip_version = 'ipv6'
 
         self.cli_set(base_path + ['timeout', timeout])
         self.cli_set(base_path + ddns + ['ip-version', ip_version])
         self.cli_set(base_path + ddns + ['protocol', proto])
         self.cli_set(base_path + ddns + ['server', srv])
         self.cli_set(base_path + ddns + ['username', user])
         self.cli_set(base_path + ddns + ['password', password])
         self.cli_set(base_path + ddns + ['host-name', hostname])
 
         # commit changes
         self.cli_commit()
 
         # Check the generating config parameters
         ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
         self.assertIn(f'daemon={timeout}', ddclient_conf)
         self.assertIn(f'usev6=ifv6', ddclient_conf)
         self.assertIn(f'ifv6={interface}', ddclient_conf)
         self.assertIn(f'protocol={proto}', ddclient_conf)
         self.assertIn(f'server={srv}', ddclient_conf)
         self.assertIn(f'login={user}', ddclient_conf)
         self.assertIn(f'password={password}', ddclient_conf)
 
     # IPv4+IPv6 dual DDNS service configuration
     def test_03_dyndns_service_dual_stack(self):
         ddns = ['address', interface, 'service']
         services = {'cloudflare': {'protocol': 'cloudflare', 'zone': 'vyos.io'},
                     'freedns': {'protocol': 'freedns', 'username': 'vyos_user'}}
         password = 'vyos_pass'
         ip_version = 'both'
 
         for svc, details in services.items():
             # Always start with a clean CLI instance
             self.cli_delete(base_path)
 
             self.cli_set(base_path + ddns + [svc, 'host-name', hostname])
             self.cli_set(base_path + ddns + [svc, 'password', password])
             self.cli_set(base_path + ddns + [svc, 'ip-version', ip_version])
             for opt, value in details.items():
                 self.cli_set(base_path + ddns + [svc, opt, value])
 
             # commit changes
             self.cli_commit()
 
             # Check the generating config parameters
             ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
             self.assertIn(f'usev4=ifv4', ddclient_conf)
             self.assertIn(f'usev6=ifv6', ddclient_conf)
             self.assertIn(f'ifv4={interface}', ddclient_conf)
             self.assertIn(f'ifv6={interface}', ddclient_conf)
             self.assertIn(f'password={password}', ddclient_conf)
 
             for opt in details.keys():
                 if opt == 'username':
                     login = details[opt]
                     self.assertIn(f'login={login}', ddclient_conf)
                 else:
                     tmp = details[opt]
                     self.assertIn(f'{opt}={tmp}', ddclient_conf)
 
     def test_04_dyndns_rfc2136(self):
         # Check if DDNS service can be configured and runs
         ddns = ['address', interface, 'rfc2136', 'vyos']
         srv = 'ns1.vyos.io'
         zone = 'vyos.io'
         ttl = '300'
 
         with tempfile.NamedTemporaryFile(prefix='/config/auth/') as key_file:
             key_file.write(b'S3cretKey')
 
             self.cli_set(base_path + ddns + ['server', srv])
             self.cli_set(base_path + ddns + ['zone', zone])
             self.cli_set(base_path + ddns + ['key', key_file.name])
             self.cli_set(base_path + ddns + ['ttl', ttl])
             self.cli_set(base_path + ddns + ['host-name', hostname])
 
             # commit changes
             self.cli_commit()
 
             # Check some generating config parameters
             ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
             self.assertIn(f'use=if', ddclient_conf)
             self.assertIn(f'if={interface}', ddclient_conf)
             self.assertIn(f'protocol=nsupdate', ddclient_conf)
             self.assertIn(f'server={srv}', ddclient_conf)
             self.assertIn(f'zone={zone}', ddclient_conf)
             self.assertIn(f'password={key_file.name}', ddclient_conf)
             self.assertIn(f'ttl={ttl}', ddclient_conf)
 
-    def test_05_dyndns_vrf(self):
+    def test_05_dyndns_hostname(self):
+        # Check if DDNS service can be configured and runs
+        svc_path = ['address', interface, 'service', 'namecheap']
+        proto = 'namecheap'
+        hostnames = ['@', 'www', hostname, f'@.{hostname}']
+
+        for name in hostnames:
+            self.cli_set(base_path + svc_path + ['protocol', proto])
+            self.cli_set(base_path + svc_path + ['server', server])
+            self.cli_set(base_path + svc_path + ['username', username])
+            self.cli_set(base_path + svc_path + ['password', password])
+            self.cli_set(base_path + svc_path + ['host-name', name])
+
+            # commit changes
+            self.cli_commit()
+
+            # Check the generating config parameters
+            ddclient_conf = cmd(f'sudo cat {DDCLIENT_CONF}')
+            self.assertIn(f'protocol={proto}', ddclient_conf)
+            self.assertIn(f'server={server}', ddclient_conf)
+            self.assertIn(f'login={username}', ddclient_conf)
+            self.assertIn(f'password={password}', ddclient_conf)
+            self.assertIn(f'{name}', ddclient_conf)
+
+    def test_06_dyndns_vrf(self):
         vrf_name = f'vyos-test-{"".join(random.choices(string.ascii_letters + string.digits, k=5))}'
         svc_path = ['address', interface, 'service', 'cloudflare']
 
         # Always start with a clean CLI instance
         self.cli_delete(base_path)
 
         self.cli_set(['vrf', 'name', vrf_name, 'table', '12345'])
         self.cli_set(base_path + ['vrf', vrf_name])
 
         self.cli_set(base_path + svc_path + ['protocol', 'cloudflare'])
         self.cli_set(base_path + svc_path + ['host-name', hostname])
         self.cli_set(base_path + svc_path + ['zone', zone])
         self.cli_set(base_path + svc_path + ['password', password])
 
         # commit changes
         self.cli_commit()
 
         # Check for process in VRF
         systemd_override = cmd(f'cat {DDCLIENT_SYSTEMD_UNIT}')
         self.assertIn(f'ExecStart=ip vrf exec {vrf_name} /usr/bin/ddclient -file {DDCLIENT_CONF}',
                       systemd_override)
 
         # Check for process in VRF
         proc = cmd(f'ip vrf pids {vrf_name}')
         self.assertIn(DDCLIENT_PNAME, proc)
 
         # Cleanup VRF
         self.cli_delete(['vrf', 'name', vrf_name])
 
 if __name__ == '__main__':
     unittest.main(verbosity=2)