Instructions and Guides Domains Protocols Numbers About Instructions and Guides Root Zone Management Root Zone Change Request Process Technical Requirements for Requests to Change TLD Nameservers in the Root Zone Requirements for RDAP Servers providing Domain Name Data Obtaining Consent for a Root Zone Change Eligible Top-Level Domain Strings Root Zone Management System Root Zone Management System User Guide (PDF, 3.2 MB) Identity Verification User Guide Root Zone Management System API and Testing Environment User Guide System Changelog Delegating a Generic Top-Level Domain Delegating or Transferring a Country-Code Top-Level Domain Questions and Answers on ccTLD Delegation and Transfers Preparing an Operational and Technical Plan Revocation of a Country-Code Top-Level Domain Retirement of a Country-Code Top-Level Domain Caretaker operations for a top-level domain Customer Service Complaint Resolution Process Root Zone Key Signing Ceremonies Attending a key signing ceremony Key Ceremony Roles Key Signing Ceremony scheduling Trusted Community Representatives (TCRs) Selection Criteria Call for volunteers Roles Travel Support Procedures Changes Key Management Facilities Facility requirements KMF East: Culpeper, Virginia KMF West: El Segundo, California Intergovernmental treaty organization (.INT) domains Eligibility for a .INT domain Label Generation Rulesets and IDN Tables Procedures for the IDN Repository Protocol Parameters Protocol Registration Procedures Licensing Terms Number Resources Making Internet Number Resource Allocations to Regional Internet Registries Updating legacy Class A IPv4 allocations Other Example domains Using the IANA WHOIS server Network Abuse Information Abuse Issues and IP Addresses DNS Blackhole (AS112) Service Archived Articles Common Questions on the Next-Generation Root Zone Management System (2022) About the IANA stewardship transition from NTIA (2016) Information regarding online root management system (2010) Procedures for delegating test IDN top-level domains (2007) Domain Names Root Zone Registry .INT Registry .ARPA Registry IDN Repository Number Resources Number Registries RIR Allocation Data Abuse Information Protocols Protocol Registries Time Zone Database About Us News Performance The Organization Archive Contact Us The IANA functions coordinate the Internet’s globally unique identifiers, and are provided by Public Technical Identifiers, an affiliate of ICANN. Privacy Policy Terms of Service