atw.pa.cable.rcncustomer.com has no MX records.
Question and response
Question
dig atw.pa.cable.rcncustomer.com. MX
Answer
The response has no answer records.
Authority
atw.pa.cable.rcncustomer.com. 86400 SOA master.dns.rcn.net. hostmaster.rcn.net. 2023020301 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0