Resources: Websites

Who registered the website?

Basic registration information can be obtained from: networksolutions.com and easywhois.com.

Note: If you discover the website was registered by Tucows, use their Lookup Utility to find out the ultimate registrant of the website.

More advanced domain tools are offered by: completewhois.com, dnsstuff.com, domaintools.com, whois.net (search deleted domains).


Recently Registered Domains

regseredon.com lists new domains by date of registration (not up-to-date).

Monitor new registrations with indom.com ($).


Who was?

A whois reveals who owns the domain name at present, but who owned it previously?

There are two options:


Search by Registrant

Dialog File 225 - Domain Names Database ($)

Registrant Search ($) - useful when you want to find all the websites associated to a particular person. A great way to find hidden links between businesses!


What about foreign web sites? As above, completewhois.com is still a good choice, but you could also try allwhois.com and domainsearch.com for country level domains (ccTLDs) such as dot.de (Germany).


Domain Name Extensions

The Root Zone Database lists all "Top Level Domains" (TLDs).

  • aero  is restricted to certain members of the global aviation community); it is sponsored by Societe Internationale de Telecommunications Aeronautiques SC (SITA).
  • biz  is restricted to businesses); it is operated by NeuLevel.
  • com  is operated by Verisign Global Registry Services.
  • coop  is restricted to cooperatives; it is sponsored by Dot Cooperation LLC.
  • info  is operated by Afilias Limited.
  • >museum  is restricted to museums and related persons; it is sponsored by the Museum Domain Management Association (MuseDoma).
  • name  is restricted to individuals); it is operated by Global Name Registry.
  • net  is operated by Verisign Global Registry Services.
  • org  is operated by Public Interest Registry.
  • pro  is restricted to licensed professionals; it is operated by RegistryPro.

Registrar contact information and descriptions are available at http://www.icann.org/registrars/accreditation-qualified-list.html.


What about Canadian web sites?
The websites mentioned above will also work for Canadian domains, but if you want to go directly to the agency responsible for handing out domain names ending in dot.ca try CIRA.

Tracing IP addresses

An IP address is the unique set of numbers which identifies a computer on the Internet. IP addresses can be static or dynamically assigned, meaning they stay the same or change. If you have a dial-up connection, for example, your are assigned a new IP address by your ISP every time you connect. If you have a high-speed connection which is always on, then your IP address probably doesn't change.

To trace an IP address try a whois lookup at:

Sam Spade also offers a good collection of tools.


How old is
this web page?
You can find out when a particular web page was "last modified". If you are using Netscape, go to the toolbar at the top of the page, click on View, then click on Page Info. With Explorer, right-click your mouse, then select Properties at the bottom of the pop-up menu.

Archived versions

If the current site is unavailable or you'd like to compare it to older versions, try archive.org. It takes a snapshot of the site, allowing you to navigate through it just as if you had gone back in time. Archive-It Collections can be searched using keywords.

  

Forgot the URL?

If you only remember part of the URL, go to Google and click on advanced search. One of the search options allows you to limit your search just to the URL (see example).

What about variants on the name? Namdroppers.com enables you to find every registered domain name in the dot.com, dot.net, dot.org, and .edu zones, that contains all of the search terms you enter, anywhere within the domain name itself. They say that their database contains over 29 Million Domain Names. Alternatively, try whois.net (click on "Search by domain or keyword").


Map a Website

Loco Ciato Website Mapper will draw a diagram showing the internal architecture of a website. The free version goes up to 30 pages.


Last Updated: July 27, 2008
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