- Free Online Network Checking Tools for Sys Admins

Your IP Address: is a free site that allows you to perform various checks or diagnostics on your network. Whether it is a simple port scan or various email server and dns checks we will provide your with the online tools to get the job done. If we do not have the tools ourselves we will show you where you can find the tools on the Internet. All of the links are web based tools, therefore you will not have to install any sofware on your PC.

Be Sure to Check out Clustered Networks Untangle Security Appliances

The Untangle Gateway, the world's first commercial-grade open source solution for blocking spam, spyware, viruses, adware and unwanted content on the network, provides a free and better alternative to costly, inflexible proprietary appliances. Untangle's applications are currently being used in tens of thousands of businesses in a variety of industries, including financial services, real estate, education, bio-science, and professional services.