. si is the country code top -level domain ( ccTLD) of the State of Slovenia. It was introduced on 1 April 1992 and is managed by the Academic and Research Network of Slovenia ( BORGARNES, research and academic network Slovenia).


At the beginning si belonged to the so-called restricted top-level domains:. . Only company based in Slovenia, an office there as well as international organizations, whose member is Slovenia, a si - domain could register. The contracting authority BORGARNES functioned as a domain registry and as a domain registrar.

. During the EU accession of the country and the restrictions on si were largely repealed: In April 2005, new rules came into force, which also allowed foreign individuals and companies to use. In addition, the activity of BORGARNES was restricted to a Network Information Center, domains could only be registered on accredited web host.

In 2010, the award criteria were changed again. The top -level domain since supported the use of non - alphanumeric characters of the languages ​​of Slovene, Italian, Hungarian, Croatian and German. Although internationalized domain names under. Si thus are possible, they are not supported by any registrar.