dns1.mgnhost.com has no MX records.
Question and response
Question
dig dns1.mgnhost.com. MX
Answer
The response has no answer records.
Authority
dns1.mgnhost.com. 60 SOA mgnhost.com. support.mgnhost.com. 2022090521 3600 3600 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0