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.si is Slovenia’s country-code TLD, operated by ARNES (Academic and Research Network of Slovenia). Until 2009 only Slovenian residents and organisations could register; since then .si is open to anyone, anywhere.

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Registry policy

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Eligibility

Open since 2009. No residency or business requirement.

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Features

  • WHOIS privacy. Available. The public WHOIS shows the registrant’s name and email by default; opt-out for natural persons is supported.
  • DNSSEC. Supported.
  • IDN. Supported (Slovenian diacritics like č, š, ž accepted in punycode).
  • Auth (EPP) code. Issued instantly from the domain panel.
  • Free transfer in. No transfer fee, plus one extra year on the existing expiry.

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Things to know

ARNES enforces a minimum of two distinct nameservers per .si domain at the registry level. If you only set one NS, the registry will reject the change.

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Need a hand?

Open a ticket

Best for anything that needs an account check or a config change on our end.

Live chat

Faster for quick questions during business hours.