.su is a country-code top-level domain managed by Russian Institute for Development of Public Networks (ROSNIIROS).
Quick facts
What is .su
.su is a delegated top-level domain in the DNS root zone, classified as country-code, operated by Russian Institute for Development of Public Networks (ROSNIIROS). 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.
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TLD type
.su is a country-code top-level domain. Browse TLDs of this type →
Domain registration information
Frequently asked questions
.su is a country-code top-level domain managed by Russian Institute for Development of Public Networks (ROSNIIROS).
Russian Institute for Development of Public Networks (ROSNIIROS) 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
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