.si is a country-code top-level domain managed by Academic and Research Network of Slovenia (ARNES).
Quick facts
What is .si
.si is a delegated top-level domain in the DNS root zone, classified as country-code, operated by Academic and Research Network of Slovenia (ARNES). The registry operator manages domain allocation and policy for this suffix.
Unlike country-code TLDs (ccTLDs), generic TLDs (gTLDs) are generally available worldwide without geographic restrictions, while ccTLD policies vary by registry.
Similar TLDs
TLD type
.si is a country-code top-level domain. Browse TLDs of this type →
Domain registration information
Frequently asked questions
.si is a country-code top-level domain managed by Academic and Research Network of Slovenia (ARNES).
Academic and Research Network of Slovenia (ARNES) manages registration and policy for this suffix.
At ICANN-accredited registrars (for example Cloudflare, Namecheap or GoDaddy), at each registrar's listed price.
Sources & standards
Updated 2026-08-18
Explore this reference