ns.proserve.org has no CNAME records.
Question and response
Question
dig ns.proserve.org. NS
Answer
The response has no answer records.
Authority
proserve.org. 300 SOA ns1.dn-s.nl. nic.virtualregistrar.nl. 2024071706 14400 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0