namebench : namebench hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser h...
xip.io : xip.io is a magic domain name that provides wildcard DNS for any IP address.
HttpWatch : An HTTP Viewer and HTTP Sniffer for IE and Firefox
DNS Report : The free, thorough report on the DNS for your domain
vicnum : A flexible web app showing vulnerabilities such as cross site scripting, sql injections, and session management issues. Helpful to IT auditors honing ...
The safest, smartest, fastest and most reliable DNS on the planet.