xemis.net has no MX records.
Question and response
Question
dig xemis.net. MX
Answer
The response has no answer records.
Authority
xemis.net. 38400 SOA ns.xemis.net. xemis.xemis.net. 2021112301 10800 3600 1209600 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0