mta.mail.waycom.net has no MX records.
Question and response
Question
dig mta.mail.waycom.net. MX
Answer
The response has no answer records.
Authority
mail.waycom.net. 300 SOA ns1.waycom.net. noc.waycom.net. 2025051400 86400 7200 3600000 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0