mta2.bizmailsrvcs.net has no MX records.
Question and response
Question
dig mta2.bizmailsrvcs.net. MX
Answer
The response has no answer records.
Authority
bizmailsrvcs.net. 86400 SOA ns1.verizon.net. dns.verizon.com. 2010071501 86400 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0