gallant.amaze.net.au has no MX records.
Question and response
Question
dig gallant.amaze.net.au. MX
Answer
The response has no answer records.
Authority
amaze.net.au. 300 SOA sy4.dns.amaze.net.au. hostmaster.sisgroup.com.au. 1597383665 21600 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0