nscache.namebay.com has no MX records.
Question and response
Question
dig nscache.namebay.com. MX
Answer
The response has no answer records.
Authority
namebay.com. 300 SOA ns1.namebay.com. admin.validname.com. 2026022318 1200 180 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0