How to look up who the business is that owns a .com.au domain.

Be careful of the photos you paste on the internet as they may provide more information than you expect. One person who works from home but doesn't publish their address online using a PO Box instead, published a picture of their front yard thus enabling people to easily confirm that location of their property.

I'm receiving emails from a person overseas. How do I check they are actually located in the country they say they are? This approach works if the person is using their ISPs email service but not if they're using the main web base mail services such as Gmail, Outlook.com or Yahoo.