Summary
Incoming mail for
mail.optusnet.com.au is handled by one mailserver at
optusnet.com.au.
mail.optusnet.com.au has one IP number , which also has a corresponding reverse pointer.
smtp.optusnet.com.au,
pop3.optusnet.com.au,
mail.optushome.com.au and
mail.syd.optusnet.com.au cnames to this hostname.
mail.mpx.com.au,
mail2.optusnet.com.au,
mail1.optusnet.com.au and
smtp101d-isp.pollak.com.au point to the same IP.
espact.com.au use this as a nameserver.
f2.org,
itpm.com,
icys.net,
l2tp.net,
suey.net and at least 100 other hosts use this as a mailserver.
optus.net,
mpx.com.au,
optusnet.com.au,
microplex.com.au,
pts.optusnet.com.au and at least four other hosts share mailservers with this domain.
optusnet.com.au is a domain controlled by two nameservers also at
optusnet.com.au. They are on the same IP network. Incoming mail for
optusnet.com.au is handled by one mailserver also at
optusnet.com.au.
optusnet.com.au has one IP number.
mail.optusnet.com.au is hosted on a server in Australia.