ns.sovamua.com has no CNAME records.
Question and response
Question
dig ns.sovamua.com. NS
Answer
The response has no answer records.
Authority
sovamua.com. 10800 SOA ns.sovamua.com. domaintech.kiev.sovam.com. 2021040201 28800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0