Whois
Searches both currently-owned and previously registered domains that are now available. more

Whois.Net
Provides registration of domain names with .com, .org, and .net tags. more

Domain Name Registration and Web Hosting | Domain.com
Provides domain name ownership and administration information through domain, NIC handle, and IP address searches. more

WHOIS Search for Domain Registration Information | Network ...
Whois domain lookup search - find out who registered a website and check a domain name with our Whois lookup tool. more

Whois Domain Lookup Search - Whois Lookup: Find Who ...
Domain name WHOIS data, historical WHOIS data, DNS tools, web hosting reports, and more. more

DomainTools
Looks up to 10 IP addresses at the same time.Determines your IP address and shows information (host, location, whois) about any IP address entered more

IP Address Lookup (IPv4 & IPv6) - Domain Lookup
Multiple lookup across a wide variety of domains. more

DomainSearch.com
Domain Lookup is a Firefox extension offering three powerful tools to search for domains & WHOIS data in your browser using 60+ popular domain registrars. more

Domain Lookup | Domain Name Search Tool for Firefox
Lookup who owns a domain name with WHOIS search from Verio.Easily lookup and search domains for availability, domain recommendations and more.Get Started! more

WHOIS Domain Lookup & Search | Verio
Domain Name Lookup, see who owns a domain name with this whois domain lookup..Domain Lookup more