Easy to use web-based service.
Verify and validate email addresses, check domain name availability, and more using ActiveX / COM / .NET components for DNS, ICMP, HTTP, Whois, Finger, Ping, Traceroute, and...
Online Domain Tools makes your online life easier and happier. Domain tools, network tools, web and browser tools, security and privacy tools, etc.
The complete free set of network troubleshooting & domain testing tools that just work!
WhoisNinja.com provides useful web tools such as a Whois Lookup, DNS Lookup, Traceroute, and other DNS Tools
Online DNS tools. DNS lookup, reverse DNS lookup. Domain configuration check. IP address calculators.
Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla