.tj is the Internet country code top-level domain (ccTLD) for Tajikistan. Registrations are processed via accredited registrars.

The following second-level domains are available for third-level domain name registration:

• biz.tj, intended for commercial entities
• co.tj, intended for commercial entities
• com.tj, intended for commercial entities
• edu.tj, reserved for educational institutions
• go.tj, reserved for websites of the Government of Tajikistan and government departments/institutions
• gov.tj, reserved for websites of the Government of Tajikistan and government departments/institutions
• info.tj, intended for informational websites
• mil.tj, reserved for the Armed Forces of the Republic of Tajikistan
• name.tj, intended for individuals and Tajik nationals
• net.tj, intended for network providers/operators and organizations implementing projects related to the development of the Internet
• nic.tj, reserved for the Network Information Center and support for the ccTLD
• org.tj, intended for nonprofit organizations
• web.tj, general public domain

• IANA .tj whois information
• .tj domain registration website
• List of .tj accredited registrars