mtaca1.iomartcloud.com has no MX records.
Question and response
Question
dig mtaca1.iomartcloud.com. MX
Answer
The response has no answer records.
Authority
iomartcloud.com. 3600 SOA heracles.iomart.com. hostmaster.iomart.com. 2025100200 43200 1800 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0