ztomy.com has no MX records.
Question and response
Question
dig ztomy.com. MX
Answer
The response has no answer records.
Authority
ztomy.com. 180 SOA a13-67.akam.net. abuse.opticaljungle.com. 2015083160 43200 3600 1209600 180
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0