smtp.intrans.az has no CNAME records.
Question and response
Question
dig smtp.intrans.az. NS
Answer
The response has no answer records.
Authority
intrans.az. 10800 SOA ns2.intrans.az. postmaster.intrans.baku.az. 2026030502 86400 900 2592000 691200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0