Want to know which other domains or websites are hosted on a web server that hosts a particular domain (may be yours)? Well, it's all very easy now! Google Blogoscoped reported that Microsoft's search engine Bing lets you know different domains hosted on a given IP (every web server is assigned with a unique IP address on the Internet).
First you need to get the IP address of a domain. You can get the IP of any website by entering, e.g. xyz.com into a tool like host2ip or by opening the command prompt on your computer (start->Run->smd) and typing ping