23-121-139-78.kamensktel.ru has no CNAME records.
Question and response
Question
dig 23-121-139-78.kamensktel.ru. NS
Answer
The response has no answer records.
Authority
kamensktel.ru. 237 SOA ns1.kamensktel.ru. admin.kamensktel.ru. 2026020803 14400 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0