m246-164.world-mailserv.com has no MX records.
Question and response
Question
dig m246-164.world-mailserv.com. MX
Answer
The response has no answer records.
Authority
world-mailserv.com. 3600 SOA ns1.world-serv.net. dns.world-serv.net. 2024062102 10800 900 777600 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0