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Whois Lookup, DNS Lookup, Reverse Whois Lookup | DomainTools

Maybe you've noticed that DomainTools has a new look. There's a whole lot more to it than that —we've also got a new way of organizing and navigating our site, new membership packages, and a brand new section dedicated to providing you with industry knowledge, news and resources. http://www.domaintools.com/

Whois Lookup & Domain Availability Search | DomainTools

Availability Check DomainTools.com supports more Top Level Domains (TLDs) than any other WHOIS service. In addition to the popular Generic TLDs like .COM, .NET, .ORG, etc., we also support hundreds of Country Code TLDs (ccTLDs). We offer a basic DNS check for those registries which don't provide standard WHOIS access and our site is IDN friendly, making it easy to find available domains in other languages. http://whois.domaintools.com/
Our WhoIs lookup is designed to help you perform a variety of whois lookup functions. WhoIs lets you perform a domain whois search, whois IP lookup and search the whois database for relevant information on domain registration and availability. This can help provide insight into a domain's history and additional information. Use WhoIs lookup anytime you want to perform a search to see who owns a domain name, how many pages from a site are listed with Google or even search WhoIs address listings for a website's owner. If you are looking for a domain, WhoIs domain lookup can tell you if it's already owned by another entity and provide contact information for the domain name owner.

Whois Lookup - Domain Names Search, Registration, & Availability | Whois.net

http://www.whois.net/
http://www.networksolutions.com/

Domain Names, Web Hosting and Online Marketing Services | Network Solutions

For nearly 30 years, we've helped people succeed online. How can we help you? Network Solutions helps small business owners achieve their online goals by putting the right services, tools and resources at their fingertips. Whether you're just starting out or have been in business for years, we can help you start, grow, and manage your business online. From web hosting, design and ecommerce solutions to online marketing, website security and email, you'll find that we take our customers' online success seriously.

Who.is: Whois Lookup, Website, Domain Name, and IP Tools - Who.is

Welcome to Who.is We are the web’s premier choice when it comes to performing a WHOIS lookup on domain names. Since 2005, we’ve offered unique IP tools to look up IP addresses on thousands of top-level domains (TLDs) and second-level domains (SLDs). Our WHOIS tool provides valuable domain information such as domain registrar, status, expiration date, and DNS name servers. http://www.who.is/
But there is a problem , the standard WHOIS domain search used on thousands of web sites is no longer accurate. Why? Because each domain registrar now keeps their own WHOIS database which doesn't include domains registered by competing registrars.

Better Whois: The WHOIS domain search that works with all registrars.

http://www.betterwhois.com/
http://www.checkdomain.com/ Search, look up, check, select, reserve, purchase, register, transfer, renew, protect, and / or monitor domain names, internet / Web addresses, or URLs for any country in the world from checkdomain.com. To begin, search for this domain name by typing in the name along with the appropriate domain, such as .com, .biz, .info, .ws (for businesses), .org (for non-profit organizations), .edu (for educational institutions), .net (for networks), .mil (for military) and .gov (for government agencies). For a list of domains for countries other than the United States, please refer to our list of Domains by Country . Use checkdomain.com from any wireless device by going to wap.checkdomain.com using a cell phone or palm.checkdomain.com using a PDA.

Search, reserve, register domain names from checkdomain.com

http://ip-address-lookup-v4.com/

IP Address Lookup - Home page

Complaint by Anonymous :
The IANA WHOIS Service is provided using the WHOIS protocol on port 43. This web gateway will query this server and return the results. Accepted query arguments are domain names, IP addresses and AS numbers.

IANA WHOIS Service

http://www.iana.org/cgi-bin/whois
Domain-Tipp: Versuchen Sie Kombinationen vom Domainnamen, falls Ihr Wunschname bei den Domains schon besetzt sein sollte, z.B. "name-online", "name-ort", "name-gmbh" oder andere Kombinationen. Dieser Suchroboter kann Ihnen hilfreich zur Hand gehen. Er prüft automatisch alle verfügbaren Domänennamen , ob diese noch für Sie zu registrieren sind (keine Gewähr für die Richtigkeit!). http://www.onsite.org/html/domaincheck.html

Domaincheck online - Domain-Übersicht, Domains und Regeln zur Domainregistrierung