ns.minot.com has no MX records.
Question and response
Question
dig ns.minot.com. MX
Answer
The response has no answer records.
Authority
minot.com. 10800 SOA gonzo.srt.com. admin.minot.com. 2013011743 21600 300 604800 10800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0