ns2.cdn77.com has no MX records.
Question and response
Question
dig ns2.cdn77.com. MX
Answer
The response has no answer records.
Authority
cdn77.com. 60 SOA ns1.cdn77.com. admin.cdn77.com. 2026022106 10800 180 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0