Supriya Ghosh (Editor)


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Introduced  1993
Registry  ARNES
Status  Active
Sponsor  Republic of Slovenia
TLD type  Country code top-level domain
Intended use  Entities connected with  Slovenia

.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. In 2012, that number increased to 100,000 .si domain names when the domain was registered by Jasico d.o.o.


Domain hacks

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 ("You are pleased", female form).

Pepsi also has a TLD to shorten links.

Mexican politicians have also been using .si as part of domain hacks, because is Spanish for yes and this TLD allows for domain names that basically translate to "<XYZ>, yes!". One example is 2012 presidential candidate Andrés Manuel López Obrador's website,


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


.si Wikipedia