HEATKEYS

Look up an IP address to find the domain name and country for the IP address. Then get the "whois" database information for the domain.

Free DNS service what you

DNSgoodies.com - Free utilities for DNS check, Open relay tests, Spam lookups, Whois and other domain related information.

DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering. Explore monitoring products and free DNS tools at DNSstuff.

This system let you perform any dns lookup you want: check online the results of dns queries and verify that your settings are OK

Check if your email server is on DNS blacklist. Get blacklist monitor email alerts if your IP or domain is blacklisted!

DNS lookup service including reverse DNS lookup, forward DNS lookup, MX lookup, geolocation and more.

Free computer help and support. Answering all your computer related questions with complete information on all hardware and software.

Learn about wireless networks, Internet and general computer networking solutions. Study our home networking tutorials, practice tests, and other reference material. We cover all popular computer networking topics including wireless home network setu...