In-cluster clients (cephrgw-operator) could not resolve
dashboard.ceph.unkin.net, so the operator failed to reach the Ceph dashboard.
Publish the name authoritatively in bind-internal.
- CNAME dashboard.ceph.unkin.net -> lb1.unkin.net. (zone ceph.unkin.net)
- A lb1.unkin.net -> 103.216.191.185 (zone unkin.net)