btnmail01.xoint.net has no MX records.
Question and response
Question
dig btnmail01.xoint.net. MX
Answer
The response has no answer records.
Authority
xoint.net. 3600 SOA btndns01.xoint.net. xoiadmin.xoint.net. 2026021101 30 900 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0