204.11.168.0.j2global.com has no MX records.
Question and response
Question
dig 204.11.168.0.j2global.com. MX
Answer
The response has no answer records.
Authority
j2global.com. 86400 SOA dns1.p04.nsone.net. hostmaster.nsone.net. 1744997204 42300 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0