ns1.priorityhost.net has no MX records.
Question and response
Question
dig ns1.priorityhost.net. MX
Answer
The response has no answer records.
Authority
priorityhost.net. 600 SOA ns63.domaincontrol.com. dns.jomax.net. 2023092000 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0