mail.yournetexperts.com has no MX records.
Question and response
Question
dig mail.yournetexperts.com. MX
Answer
The response has no answer records.
Authority
yournetexperts.com. 3600 SOA ns03.domaincontrol.com. dns.jomax.net. 2025091903 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0