sh1.prowifihost.com has no MX records.
Question and response
Question
dig sh1.prowifihost.com. MX
Answer
The response has no answer records.
Authority
prowifihost.com. 600 SOA ns27.domaincontrol.com. dns.jomax.net. 2025112810 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0