ns2.bviabc.com has no MX records.
Question and response
Question
dig ns2.bviabc.com. MX
Answer
The response has no answer records.
Authority
bviabc.com. 5517 SOA ns1.bviabc.com. postmaster.bviabc.com. 2025111912 28800 7200 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0