server.internext.tv has no MX records.
Question and response
Question
dig server.internext.tv. MX
Answer
The response has no answer records.
Authority
tv. 900 SOA a.nic.tv. admin.tldns.godaddy. 1772920607 1800 300 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0