ip6.aussiebb.net has no MX records.
Question and response
Question
dig ip6.aussiebb.net. MX
Answer
The response has no answer records.
Authority
ip6.aussiebb.net. 3600 SOA ns1.wide.net.au. hostmaster.ip6.aussiebb.net. 2023030601 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0