master-dns-2.maximuma.net has no CNAME records.
Question and response
Question
dig master-dns-2.maximuma.net. NS
Answer
The response has no answer records.
Authority
maximuma.net. 3521 SOA master-dns-1.maximuma.net. root.maximuma.net. 2026030202 10800 3600 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0