nc-create-xr-ip-domain-cfg-23-ydk.xml

<ip-domain xmlns="http://cisco.com/ns/yang/Cisco-IOS-XR-ip-domain-cfg">
  <vrfs>
    <vrf>
      <vrf-name>default</vrf-name>
      <name>example.com</name>
      <servers>
        <server>
          <order>0</order>
          <server-address>2001:db8:8000::1</server-address>
        </server>
        <server>
          <order>1</order>
          <server-address>2001:db8:8000::2</server-address>
        </server>
        <server>
          <order>2</order>
          <server-address>2001:db8:8000::3</server-address>
        </server>
      </servers>
    </vrf>
  </vrfs>
</ip-domain>