Using Maltego
Maltego is an information gathering tool that has many uses besides gathering network information. You can also gather information on people and companies from various sources. For now, we will use it to gather network information about a public network.
The first time you start Maltego, you will need to do some setting up and also register at their website in order to log in to the Transform servers. It's easy, free, and spam-free, so giving them your e-mail address won't be a problem. Once you have registered, you will be asked to pick the level of search you want. In this example, we have picked a Level 1 search. Maltego then asks for the domain, as shown in the following screenshot. Add the domain name, and click on the Finish button. The Transform will run and retrieve the information:
Choose the Maltego Public Servers checkbox instead of Local Transform Application Server (TAS):
Choose your target domain. Here we have chosen the www...