www.amsio.com has no MX records.
Question and response
Question
dig www.amsio.com. MX
Answer
The response has no answer records.
Authority
amsio.com. 3600 SOA ns4.sentia.nl. hostmaster.amsio.com. 2025012965 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0