The easiest way to view the registration details of your Webcity domain is to perform a WHOIS lookup from the Webcity WHOIS page:
http://domains.webcity.com.au/whois.php
If you wish to change these details you should log in to domain management at:
https://www.webcity.com.au/secure/domains/man.cgi
Once you have loged in please click on Change Contacts and make any needed changes.