192-41-63-4.c7dc.com has no MX records.
Question and response
Question
dig 192-41-63-4.c7dc.com. MX
Answer
The response has no answer records.
Authority
c7dc.com. 3600 SOA ns1.dfw.databank.com. ipadmin.databank.com. 2024022801 7200 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0