ns.jay.net has no CNAME records.
Question and response
Question
dig ns.jay.net. NS
Answer
The response has no answer records.
Authority
jay.net. 3600 SOA ns.jay.net. hostmaster.jay.net. 2025102701 14400 3600 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0