PUBLIC.monkeybrains.net has no MX records.
Question and response
Question
dig PUBLIC.monkeybrains.net. MX
Answer
The response has no answer records.
Authority
public.monkeybrains.net. 3600 SOA ns2.monkeybrains.NET. support.monkeybrains.NET. 2026022016 7200 1200 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0