twcnc.com has no MX records.
Question and response
Question
dig twcnc.com. MX
Answer
The response has no answer records.
Authority
twcnc.com. 14400 SOA ns1.twcable.com. hostmaster.pblpdns01.twcable.com. 2025032604 14400 7200 604800 14400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0