dns.redcloudtech.com.au has no MX records.
Question and response
Question
dig dns.redcloudtech.com.au. MX
Answer
The response has no answer records.
Authority
redcloudtech.com.au. 3600 SOA dns.redcloudtech.com.au. hostmaster.redcloudtech.com.au. 1642875349 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0