Domain Search
Searches for domain names that begin with certain words, in .com, .org, .net, .edu.

Finger
An old-style Unix tool for finding out a little bit about people, if you have their E-mail addresses. You can still "finger" some accounts, and read the information file, using the finger tool. This site is a Web interface to finger. Different Internet co

Geography of Cyberspace
Nifty tools for mapping Internet traffic. Shows Internet traffic "storms," maps the route a message takes, etc.

Traceroute and Ping
More dinosaurs: These tools are useful for seeing how the Internet finds the shortest distance between two points (e.g., for sending mail). It simply traces the route that packets of information traverse across the Net.

Virtual Tourist
A geographic directory of WWW servers.

Weblint
Checks Web pages for bad HTML tags, overlapped elements, etc.

Whois Report
Domain name search that allows a wildcard search of all current/deleted/expired whois domains.

Your Environment Variables
Shows what information an Internet host can see about you.