www.who.is

         who.is is the web’s premier choice when it comes to performing a WHOIS lookup on domain names. Since 2005, it offered unique IP tools to look up IP addresses on thousands of top-level domains (TLDs) and second-level domains (SLDs). Its WHOIS tool provides valuable domain information such as domain registrar, status, expiration date, and DNS name servers.

          Use who.is site to quickly locate administrative and technical contact information for the owner of any domain name. Its domain name WHOIS results also include IP and IP location information, web server information, related domain availability, premium domain listings and more.

Link: http://www.who.is/

www.name.com

       Name.com is a unique, independent, and fully ICANN-accredited domain registrar.  Name.com's goal is to fully meet every customer's needs and wants for domain name registration and renewal.  Name.com offices are located in the heart of downtown Lowry district.  Name.com staff is diverse, employing a wide range of bright, intelligent, and hardworking students, scholars, and free thinkers. Unlike the other guys, all of  Name.com employees are empowered (and in fact commanded) to use their own personalized understanding of domain needs to solve any and all of our customers' domain name related issues and questions.  Name.com do this without resort to textbook approaches and by-the-books solutions, but rather through a fine-tuned approach that includes extensive training, a voluminous knowledge base, and energized customer support. At best,  Name.com can provide a multitude of satisfying answers for any vexing issue, and even at our worst  Name.com can provide just the right answer for you.

Link: http://www.name.com/

www.domaintools.com

        DomainTools combines the most comprehensive set of domain name ownership records available with important web hosting data to expose new opportunities in website improvement, domain investment and brand protection. DomainTools data reaches back through more than a decade of Internet history.

         Fortune 100 companies, small business owners, major domain investors—almost 1 million members choose DomainTools to protect and grow the value of their web sites, their domain names and their intellectual property on a daily basis.

Link: http://www.domaintools.com/

www.whois.com

      whois? is a people-centric platform that enables users to create, manage and propagate their presence on the web. whois? build personal media technologies that empower users to aggregate all their online identities, services, and personas in one place. whois? aim to transform how people use the web and become the most trusted brand for the world wide web of people, or as whois? like to say here, the "google of People"

Link: http://www.whois.com/

www.godaddy.com

         GoDaddy.com is the world's largest domain name registrar and is the flagship company of The Go Daddy Group, Inc.
          The Go Daddy Group of companies also includes Wild West Domains, Inc., a reseller of domains and domain-related products and services; Domains By Proxy, a private registration service; Starfield Technologies, a research and development affiliate; and Blue Razor Domains, a membership-based discount registrar.
            As an ICANN-accredited domain registrar, Go Daddy has more names under management than any other registrar, offers products at prices up to 70% less than the competition and supports them all with world-class 24/7 live customer service.

            Founded by Bob Parsons in 1997, The Go Daddy Group has grown to include more than 44 million domains under management. We offer a complete product line, including comprehensive hosting solutions, Web site creation tools, Secure SSL certificates, personalized email with spam and anti-phishing filtering, e-commerce tools and more.

Link: http://www.godaddy.com/