network0.tmdcloud.com has no MX records.
Question and response
Question
dig network0.tmdcloud.com. MX
Answer
The response has no answer records.
Authority
tmdcloud.com. 1800 SOA bonnie.ns.cloudflare.com. dns.cloudflare.com. 2397388107 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0