spf-2248456.jmsend.com has no MX records.
Question and response
Question
dig spf-2248456.jmsend.com. MX
Answer
The response has no answer records.
Authority
jmsend.com. 3600 SOA NS1.BLUEHOST.com. root.BLUEHOST.com. 126022010 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0