ns3.intrans.az has no MX records.
Question and response
Question
dig ns3.intrans.az. MX
Answer
The response has no answer records.
Authority
intrans.az. 86400 SOA ns2.intrans.az. postmaster.intrans.baku.az. 2026012201 86400 900 2592000 691200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0