Computer Forensics
Allwhois.comInternet domain name search
Asia Pacific Whois
Research Internet domains
CentraOps.net Domain Dossier
Investigate domains and IP addresses
Checkdomain.com
Internet domain search
Domain Names
Internet domain search
Domain Tools
Research current and historical domains
ICANN-Accredited Registrars
Officially sanctioned domain registrars
IP-Address.com
Maps computer IP addresses
Netcraft Uptime Survey
What software does this site run?
Network Solutions WHOIS
Research Internet domains
Quarkbase
Information about websites
RIPE Whois
Research Internet domains, including free-text search
Who-hosts.com
Who hosts a domain
Whois.net
Information on Internet domains