ns2.serverel.net has no CNAME records.
Question and response
Question
dig ns2.serverel.net. NS
Answer
The response has no answer records.
Authority
serverel.net. 300 SOA ns1.serverel.net. abuse.serverel.com. 2021015174 1600 300 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0