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Introduced 1993
TLD type Country code top-level domain
Status Active
Registry ARNES
Sponsor Republic of Slovenia
Intended use Entities connected with  Slovenia
Actual use Very popular in Slovenia
Registered domains 119,774 (July 2016)[1]
Registration restrictions None[2]
Structure Registrations are taken directly at second level.
Documents SI TLD regulations
Dispute policies ADR
Registry Website registry.si

.si is the Internet country code top-level domain (ccTLD) for Slovenia. It is administered by the ARNES, the Academic and Research Network of Slovenia. In 2010, the registry has hosted 80,000 domain names.[3] In 2012, that number increased to 100,000 .si domain names when the domain zj.si was registered by Jasico d.o.o.[1]

Domain hacks[edit]

Domain hacks for the .si TLD are quite popular, since si is second person singular of the to be verb in the Slovene language. As such, many domains have been created that are using such domain hack, one of the most popular being zadovoljna.si ("You are pleased", female form).

Pepsi also has a pep.si TLD to shorten links.


According to research by McAfee performed in 2010, the Slovenian TLD is the tenth most secure.[4]


  1. ^ a b "Registrirana 100 000-a domena pod .si (100 000th domain registered under .si)" (in Slovenian). Arnes. 27 January 2012. Archived from the original on 9 March 2013. Retrieved 9 February 2012. 
  2. ^ "Who is entitled to register .si domain name?". Arnes. Retrieved 28 March 2012. 
  3. ^ "80,000 .si domen" (in Slovenian). Arnes. 19 May 2010. Archived from the original on 9 March 2013. Retrieved 6 July 2010. 
  4. ^ "Mapping the Mal Web: The world's riskiest domains" (PDF). McAfee. Retrieved 28 March 2012. 

External links[edit]