Whois lookup

Whois Lookup tools:
Domaintools.com One of most poweful domain tool website. Whois, Whois history database, .
Whois.net Lookup registration data for domains. Also search by domain or keyword, search domains and lookup whois information. Search through deleted domains & find previously registered domains that are now available.
InterNIC.net Whois Search for .aero, .arpa, .biz, .cat, .com, .coop, .edu, .info, .int, .jobs, .mobi, .museum, .name, .net, .org, .pro, and .travel domains.
IP Whois Identifies the owner and the IP address of the domain.
DNS Stuff Free fast, advanced and comprehensive web-based DNS and domain name tools for DNS hosting, going beyond just ping, tracert/traceroute, WHOIS and DNS lookups.