msmps.net has no MX records.
Question and response
Question
dig msmps.net. MX
Answer
The response has no answer records.
Authority
msmps.net. 3600 SOA ns2.savvis.net. abuse.centurylinkservices.net. 2250214000 10800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0