RFC 5891: Internationalized Domain Names in Applications (IDNA): Protocol

This document is the revised protocol definition for Internationalized Domain Names (IDNs). The rationale for changes, the relationship to the older…

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Outgoing relationships (15 related RFCs)

Updates, Normative reference — RFC 3492: Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)
Obsoletes, Informative reference — RFC 3490: Internationalizing Domain Names in Applications (IDNA)
Obsoletes, Informative reference — RFC 3491: Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 1035: Domain names - implementation and specification
Normative reference — RFC 1034: Domain names - concepts and facilities
Normative reference — RFC 5890: Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework
Normative reference — RFC 5892: The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)
Normative reference — RFC 5893: Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)
Informative reference — RFC 3986: Uniform Resource Identifier (URI): Generic Syntax
Informative reference — RFC 3987: Internationalized Resource Identifiers (IRIs)
Informative reference — RFC 2671: Extension Mechanisms for DNS (EDNS0)
Informative reference — RFC 5894: Internationalized Domain Names for Applications (IDNA): Background, Explanation, and Rationale
Informative reference — RFC 4690: Review and Recommendations for Internationalized Domain Names (IDNs)
Informative reference — RFC 4952: Overview and Framework for Internationalized Email

Incoming relationships (35 related RFCs)

Normatively referenced by — RFC 6125: Representation and Verification of Domain-Based Application Service Identity within Internet Public Key Infrastructure Using X.509 (PKIX) Certificates in the Context of Transport Layer Security (TLS)
Normatively referenced by — RFC 6733: Diameter Base Protocol
Normatively referenced by — RFC 6454: The Web Origin Concept
Normatively referenced by — RFC 5894: Internationalized Domain Names for Applications (IDNA): Background, Explanation, and Rationale
Normatively referenced by — RFC 7530: Network File System (NFS) Version 4 Protocol
Normatively referenced by — RFC 6797: HTTP Strict Transport Security (HSTS)
Normatively referenced by — RFC 9525: Service Identity in TLS
Normatively referenced by — RFC 7482: Registration Data Access Protocol (RDAP) Query Format
Normatively referenced by — RFC 7585: Dynamic Peer Discovery for RADIUS/TLS and RADIUS/DTLS Based on the Network Access Identifier (NAI)
Normatively referenced by — RFC 6545: Real-time Inter-network Defense (RID)
Normatively referenced by — RFC 6857: Post-Delivery Message Downgrading for Internationalized Email Messages
Normatively referenced by — RFC 9549: Internationalization Updates to RFC 5280
Normatively referenced by — RFC 9598: Internationalized Email Addresses in X.509 Certificates
Normatively referenced by — RFC 6595: A Simple Authentication and Security Layer (SASL) and GSS-API Mechanism for the Security Assertion Markup Language (SAML)
Normatively referenced by — RFC 7678: Attribute-Value Pairs for Provisioning Customer Equipment Supporting IPv4-Over-IPv6 Transitional Solutions
Normatively referenced by — RFC 9095: Extensible Provisioning Protocol (EPP) Domain Name Mapping Extension for Strict Bundling Registration
Normatively referenced by — RFC 9167: Registry Maintenance Notification for the Extensible Provisioning Protocol (EPP)
Normatively referenced by — RFC 9233: Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0
Normatively referenced by — RFC 9495: Certification Authority Authorization (CAA) Processing for Email Addresses
Normatively referenced by — RFC 9676: LEX: A Uniform Resource Name (URN) Namespace for Sources of Law
Informatively referenced by — RFC 5890: Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework
Informatively referenced by — RFC 9499: DNS Terminology
Informatively referenced by — RFC 5892: The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)
Informatively referenced by — RFC 5893: Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)
Informatively referenced by — RFC 6530: Overview and Framework for Internationalized Email
Informatively referenced by — RFC 6021: Common YANG Data Types
Informatively referenced by — RFC 7613: Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and Passwords
Informatively referenced by — RFC 7719: DNS Terminology
Informatively referenced by — RFC 7564: PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application Protocols
Informatively referenced by — RFC 6122: Extensible Messaging and Presence Protocol (XMPP): Address Format
Informatively referenced by — RFC 6885: Stringprep Revision and Problem Statement for the Preparation and Comparison of Internationalized Strings (PRECIS)
Informatively referenced by — RFC 8264: PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application Protocols
Informatively referenced by — RFC 6912: Principles for Unicode Code Point Inclusion in Labels in the DNS
Informatively referenced by — RFC 9788: Header Protection for Cryptographically Protected Email
Informatively referenced by — RFC 8222: Selecting Labels for Use with Conventional DNS and Other Resolution Systems in DNS-Based Service Discovery