in-addr.ev1.opticaljungle.com has no MX records.
Question and response
Question
dig in-addr.ev1.opticaljungle.com. MX
Answer
The response has no answer records.
Authority
in-addr.ev1.opticaljungle.com. 3600 SOA ns1.parkingcrew.net. hostmaster.in-addr.ev1.opticaljungle.com. 1771952523 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0