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Title: .se  
Author: World Heritage Encyclopedia
Language: English
Subject: .nu, .rw, .no, .vi, .ye
Collection: Council of European National Top Level Domain Registries Members, Country Code Top-Level Domains, Internet in Sweden
Publisher: World Heritage Encyclopedia


Introduced 1986
TLD type Country code top-level domain
Status Active
Sponsor Internetstiftelsen i Sverige
Intended use Entities connected with
Actual use Very popular in Sweden
Documents Terms and regulations for registration
Dispute policies Alternative dispute resolution (ADR)
Website .SE

.se is the Internet country code top-level domain (ccTLD) for Sweden (Sverige). The top domain is operated by Internetstiftelsen i Sverige (The Internet Foundation, formerly the Internet Infrastructure Foundation, and formerly branded as .SE), but domains must be registered through one of the approved registrars. Internetstiftelsen i Sverige is managed on the basis of its charter of foundation and its statutes. The Foundation is managed by a Board of Directors, whose decisions are executed by the executive management.


  • Pre 2003 system 1
  • Post 2003 system 2
  • Known hacks 3
  • References 4
  • External links 5

Pre 2003 system

Prior to April 2003, the rules governing domains under the .se top domain were highly restrictive. Only companies, associations and authorities registered nationwide were allowed to register a domain, and it had to be very similar to the registered name. Individual products were not eligible for separate second-level domain names, even if they were .com or .nu. These rules were introduced in 1996. Before that there were unofficial rules that were even more restrictive, where private people and sports clubs could not register a domain.

The former Second Level Domains were:[2]

Domain Use Stockholm City Stockholm County Västerbotten County Norrbotten County Uppsala County Södermanland County Östergötland County Jönköping County Kronoberg County Kalmar County Gotland County Blekinge County Kristianstad County Skåne County Halland County Västra Götaland County Älvsborg County Skaraborg County Värmland County Örebro County Västmanland County Dalarna County Gävleborg County Västernorrland County Jämtland County Non-profit organizations Private persons Trademarks Political parties Periodicals

Only a few of these second level domains are still (2015) used as in active web addresses.

Since å,ä,ö were not available for technical reasons, organisations could register the name with a and o instead if available, sometimes causing trouble. The Habo and Håbo municipalities had a legal battle about the name which Håbo won since they registered first. After many years, in 2011, they agreed to make link to both municipalities websites. From 2003 Sweden allowed registering å,ä,ö in web addresses.

Post 2003 system

With the new rules, any entity or person may register any number of domains, subject to few restrictions. Individuals may register whatever .se domain, as long as it is available, not in .SE's Blocked or Reserved list. At the same time, the rules for domain name allocation were changed to the principle of first-come, first-served, and simpler rules for dispute resolution were created.

As of October 2003, .SE started accepting registrations of internationalized domain names, containing the letters å, ä, ö, ü and é. On 6 September 2007, a total of 250 characters became available, supporting names in all of the legally recognized minority languages of Sweden: Finnish, Meänkieli (Tornedalsfinska), Sami, Romani and Yiddish.

Domain names with å,ä,ö have not been used so much for several years, partly since browsers on user side must have special support. Still (as of 2013), organisations having å,ä,ö in their name (like Skåne) mainly use domains without these letters (e.g. ), and use redirection from their proper name (e.g. http://www.skå ). Many organisations do not support their proper name with å,ä or ö (e.g. http://www.vä does not work as of 2013).

.se is the first TLD to offer DNSSEC services. It does so using OpenDNSSEC.

The entire .se domain was unavailable for 58 minutes on 12 October 2009, when an error during routine maintenance by .SE corrupted all names in the domain name registry.[3]

Known hacks

Many Swedish domains were reserved for English words that end with "se". As of today, there are practically no such domain names left available on the domain prime market as the result of the domain name speculation. Most of them can be bought on the domain secondary market. Only a few domains were developed.


  1. ^ "Swedes Abandoning .SE Country Code". 1998-12-14. Archived from the original on 14 December 2008. Retrieved 2009-02-19. 
  2. ^ Google search on on on on on on on etc
  3. ^ "Sweden’s Internet broken by DNS mistake". Pingdom. 13 October 2009. Archived from the original on 15 October 2009. Retrieved 2009-10-13. 

External links

  • IANA .se whois information
  •, .SE (The Internet Infrastructure Foundation)
  • List of approved registrars
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