ns.KMV.RU has no CNAME records.
Question and response
Question
dig ns.KMV.RU. NS
Answer
The response has no answer records.
Authority
kmv.ru. 300 SOA ns.kmv.ru. hostmaster.kmv.ru. 2026030600 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0