minacs.com has no MX records.
Question and response
Question
dig minacs.com. MX
Answer
The response has no answer records.
Authority
minacs.com. 1200 SOA fh-dns1.minacs.com. hostmaster.minacs.com. 729 900 600 86400 1200
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0