.Ir

It is managed by the Institute for Research in Fundamental Sciences.

.ir

Introduced	6 April 1994
TLD type	Country code top-level domain
Status	Active
Registry	Institute for Research in Fundamental Sciences
Sponsor	None
Intended use	Entities connected with Iran
Actual use	Popular in Iran
Registered domains	1,567,938 (2023-4-24)
Registration restrictions	Generally open for Iranians and non-Iranians; 3rd-level registrations under subdomains have varied restrictions and are restricted to Iranian-related entities
Structure	May register at second level or at third level beneath generic-category 2nd level domains
Dispute policies	IRNIC Dispute Resolution Policy
Registry website	nic.ir

• .ir – public
• .ac.ir – academic (tertiary education and research establishments) and learned societies.
• .co.ir – commercial/companies
• .gov.ir – government (Islamic Republic of Iran)
• .id.ir – personal, one per unique national identity number
• .net.ir – ISPs and network companies approved by the CRA
• .org.ir – non-profit organisations
• .sch.ir – schools, primary and secondary education

Persian internationalized domain names are available for registration under .ایران.ir for public, in the Persian script.

In 2010, ICANN approved IRNIC's proposal for the ایران. IDN ccTLD (representing the Persian spelling of Iran), pending the final step of String Delegation^{[clarification needed]}.

• .dnssec.ir – limited term testbed for DNSSEC support