dc1.conova.com has no MX records.
Question and response
Question
dig dc1.conova.com. MX
Answer
The response has no answer records.
Authority
dc1.conova.com. 86400 SOA adns001.dc1.conova.com. domainadmin.conova.com. 2026022204 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0