armoterra.com has no MX records.
Question and response
Question
dig armoterra.com. MX
Answer
The response has no answer records.
Authority
armoterra.com. 3600 SOA NS51.WORLDNIC.com. namehost.WORLDNIC.com. 125021313 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0