.ir is a country-code top-level domain managed by Institute for Research in Fundamental Sciences.
Quick facts
What is .ir
.ir is a delegated top-level domain in the DNS root zone, classified as country-code, operated by Institute for Research in Fundamental Sciences. 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
.ir is a country-code top-level domain. Browse TLDs of this type →
Domain registration information
Frequently asked questions
.ir is a country-code top-level domain managed by Institute for Research in Fundamental Sciences.
Institute for Research in Fundamental Sciences 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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