mx2.ch.govorit.ru has no CNAME records.
Question and response
Question
dig mx2.ch.govorit.ru. NS
Answer
The response has no answer records.
Authority
ch.GOVORIT.RU. 537 SOA mx1.ch.GOVORIT.RU. support.GOVORIT.RU. 2026030402 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0