www.myosdp.com has no MX records.
Question and response
Question
dig www.myosdp.com. MX
Answer
The response has no answer records.
Authority
myosdp.com. 900 SOA nusdnsgm01.ironmountain.com. webmaster.ironmountain.com. 33 10800 3600 2592000 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0