ogate.aapt.com.au has no MX records.
Question and response
Question
dig ogate.aapt.com.au. MX
Answer
The response has no answer records.
Authority
aapt.com.au. 3600 SOA ns1.aapt.com.au. hostmaster.aapt.com.au. 2026021701 10800 600 3600000 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0