win has no MX records.
Question and response
Question
dig win. MX
Answer
The response has no answer records.
Authority
win. 900 SOA ns1.dns.nic.win. admin.tldns.godaddy. 1772016206 1800 300 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0