web.casscabletv.com has no MX records.
Question and response
Question
dig web.casscabletv.com. MX
Answer
The response has no answer records.
Authority
casscabletv.com. 600 SOA ns.casscomm.com. postmaster.ns.casscomm.com. 2015011420 90 30 259200 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0