ns.paco.net has no CNAME records.
Question and response
Question
dig ns.paco.net. NS
Answer
The response has no answer records.
Authority
paco.net. 3277 SOA ns.paco.net. hostmaster.paco.net. 2025072213 3600 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0