relay2.KGTS.RU has no CNAME records.
Question and response
Question
dig relay2.KGTS.RU. NS
Answer
The response has no answer records.
Authority
kgts.ru. 7243 SOA ns.tattelecom.ru. ns2.tattelecom.ru. 2022030600 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0