You've got questions that need to be answered: Is this domain name available? Is it for sale by owner? How can I contact
the owner?
Our Whois service delivers the most complete results you can get, because DomainTools is built on the most comprehensive
archive of Whois records in the world!
Find available domain names for registration or for sale. Just enter your complete search term (or use wildcard expressions)
and you'll get a result set including all deleted and expired domain names as far back as 2001.
Need help naming your new company or new product? Use our powerful Domain Suggestions tool and we'll give you up to 100 related
name suggestions at a crack.
If you've ever wondered what a specific website has looked like at some point in its past, we'll show you. Tell us the website
and we'll show you archived images of the site's home page from as far back as 2001.
Run your domain name through our system and we'll find variants of your domain with common typographical errors, then check and
report the availability status of each name on that list.
Find domain names that are on the verge of expiration so that you can register the best names at the cheapest prices or
participate in the auctions.
Domain Monitor lets you keep a watchful eye on your domains...or anyone else's! Expiration dates, status changes—just
tell us the domain names you want to monitor and we'll notify you about crucial changes to any domain name's Whois record on
an ongoing basis.
Domain Monitor is available at every account level. Professional Members can monitor up to 10,000 domain names at one time,
Standard Members can monitor up to 1,000 domains, and customers with Novice Accounts can monitor up to 100.
Reverse IP is the patented DomainTools technology that businesses have come to rely on. Whether you want to learn more
about your competition's Web properties, investigate phishing scams, or just learn what domains are hosted at a specific
address, Reverse IP makes it possible!
Just tell us the IP address you're interested in and we'll show you every domain name hosted at that address.
Reverse IP is only available to Professional- and Standard-level Members! Conduct an unlimited number of searches on
any 100 specific IP addresses per month with your Professional Membership, or on any 10 IP addresses per month with your Standard Membership.
We've been tracking millions of domain names since 1995, and our Whois History tool gives you access to that massive database.
Defend your trademark and ownership rights, perform due diligence in domain transfers, and fight against phishing
scams with Whois History.
Just tell us the domain name you want to know about, and we'll give you access to all our archived ownership records
(Whois record) for that domain, going as far back as 1995. Track historical changes in ownership, hosting, and every other recorded value
associated with the domain.
Whois History is only available to Professional- and Standard-level Members! Conduct an unlimited number of searches
on any 100 specific domain names per month with your Professional Membership, or on any 10 domain names per month with your Standard Membership.
Hosting History allows you to view historical IP addresses, name servers, and registrars for any given domain name. If a domain name has changed
its web host or transferred to another registrar, you're going to know about it—you'll see all domain transfers, along with the dates and transfer-to
locations. Great for tracking down phishing and fraud sites!
Hosting History is only available to Professional- and Standard-level Members! Conduct an unlimited number of searches on any
100 specific domain names per month with your Professional Membership, or on any 10 domain names per month with your Standard Membership.
Whether you're protecting a trademark, monitoring your competition or looking for industry-specific domains to add to your portfolio, Brand Alert
gives you actionable intelligence.
Create a Brand Alert and monitor specific domain name activity on any word or string of words you specify—we'll notify you via
email and/or RSS feed whenever a domain name with your alert term(s) is registered or deleted.
Brand Alert is available to Professional- and Standard-level Members as part of their membership! Continuously monitor any 10 terms with your Professional Membership, or any 3 terms with your Standard Membership.
Novice members can also use this service by purchasing an A la Carte item!
Monitor the daily activity of .com, .net, .org, .biz, .us and .info domains on any name server with fewer than 50,000 domains. View graphical
representations of new and deleted domains, as well as of transfer history for the name servers you monitor. Drill down to see full data point
detail of all domains added, deleted and transferred.
Name Server Alert is only available to Professional- and Standard-level Members! Continuously monitor any 10 name servers
with your Professional Membership, or any 3 name servers with your Standard Membership.
Registrant Alert will let you monitor the domain ownership of any specific company or individual.
Sign up for alerts based on the identity criteria you specify and our Registrant Alert service will notify you via email
whenever there are changes made to any Whois records meeting your criteria. Want to know when Joe registers a new domain? Enter Joe's name and
contact info and we'll tell you the domain names Joe registers.
Registrant Alert is only available to Professional- and Standard-level Members! Continuously monitor any 10 registrants
with your Professional Membership, or any 3 registrants with your Standard Membership.
