mta02.binbox.email has no MX records.
Question and response
Question
dig mta02.binbox.email. MX
Answer
The response has no answer records.
Authority
binbox.email. 3600 SOA ns1.pointerns.com. hostmaster.pointerns.com. 2020101514 10800 1800 691200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0