13 DNS MX record assets at dibp-ibmail1.msng.telstra.com.au.
globalaustralia.gov.au
cicentre.gov.au
tisnational.gov.au
nema.gov.au
border.gov.au
homeaffairs.gov.au
nationalsecurity.gov.au
borderwatch.gov.au
cisc.gov.au
abf.gov.au
immi.gov.au
customs.gov.au
recovery.gov.au