ns2.ashcom.net has no CNAME records.
Question and response
Question
dig ns2.ashcom.net. NS
Answer
The response has no answer records.
Authority
ashcom.net. 6834 SOA ns1.ashcom.net. postmaster.ashcom.net. 2023090701 3600 1800 2419200 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0