myrootnet.com has no MX records.
Question and response
Question
dig myrootnet.com. MX
Answer
The response has no answer records.
Authority
myrootnet.com. 589 SOA nsauth.myrootnet.com. root.rootnet.nl. 2026021901 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0