smtp1.heromotocorp.com has no MX records.
Question and response
Question
dig smtp1.heromotocorp.com. MX
Answer
The response has no answer records.
Authority
heromotocorp.com. 600 SOA ns01.domaincontrol.com. dns.jomax.net. 2026022400 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0