Registry for

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Welcome to REGISTRY for .SI SUB-DOMAINs as:

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In addition to the registration of domain names under .SI and second-level domain .SI, the Registry JASICO manages DNS servers for second-level domain .SI above.
Registry for second-level domain .SI: JASICO d.o.o., Cankarjeva 27, 9000 Murska Sobota, Slovenia

Country code second-level domain .SI sub-domain names

  • any natural or legal person can register .si sub-domain names,
  • no requirement for local presence,
  • no restriction on the number of domain names per holder,
  • registration period can be 1 up to 5 years,
  • numeric domains are allowed,
  • registration is possible through Jasico and other registrars.

A local presence is not required for .si sub-domain name registrars.


For further suggestions and answers, please e-mail us at

JASICO d.o.o.
Cankarjeva 27
9000 Murska Sobota

phone: +386.25371027