dns2.mgnhost.com has no MX records.
Question and response
Question
dig dns2.mgnhost.com. MX
Answer
The response has no answer records.
Authority
dns2.mgnhost.com. 60 SOA mgnhost.com. support.mgnhost.com. 2022090519 3600 3600 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0