johncgriffin.com has no MX records.
Question and response
Question
dig johncgriffin.com. MX
Answer
The response has no answer records.
Authority
johncgriffin.com. 600 SOA ns73.domaincontrol.com. dns.jomax.net. 2026012206 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0