128.22.134.203.sta.m2core.net.au has no MX records.
Question and response
Question
dig 128.22.134.203.sta.m2core.net.au. MX
Answer
The response has no answer records.
Authority
m2core.net.au. 86400 SOA ns1.m2core.net.au. hostmaster.m2core.net.au. 2025112101 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0