ns2.aziondns.com has no CNAME records.
Question and response
Question
dig ns2.aziondns.com. NS
Answer
The response has no answer records.
Authority
aziondns.com. 2423 SOA ns1.aziondns.net. admin.azion.com. 2026030323 86400 86400 86400 120
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0