ns2.any-cdns.net has no CNAME records.
Question and response
Question
dig ns2.any-cdns.net. NS
Answer
The response has no answer records.
Authority
any-cdns.net. 2948 SOA any-cdns.net. tech.any-cdns.net. 2025091802 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0