Tools and Utilities » Debugging and Testing

As a software developer or tester of Web applications, you are required to know what is a valid email address and what is an invalid email address. According the Internet specifications, there are a number of valid email address formats. This page allows you to learn and test email address of all formats.

Whenever you are visiting a Website, your activities will be recorded against a client IP address and host name that represent your computer at that time. This simple test page allows you to find out what is your IP address and host name. </li>