exchange.aimes.net has no MX records.
Question and response
Question
dig exchange.aimes.net. MX
Answer
The response has no answer records.
Authority
aimes.net. 86400 SOA ns0.phase8.net. support.phase8.net. 2025062401 28800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0