RFC 10023: The "_for-sale" Underscored and Globally Scoped DNS Node Name

This document defines an operational convention that uses the reserved underscored DNS leaf node name "_for-sale" to indicate the parent domain name…

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Outgoing relationships (25 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Normative reference — RFC 5234: Augmented BNF for Syntax Specifications: ABNF
Normative reference — RFC 3986: Uniform Resource Identifier (URI): Generic Syntax
Normative reference — RFC 1035: Domain names - implementation and specification
Normative reference — RFC 3629: UTF-8, a transformation format of ISO 10646
Normative reference — RFC 5890: Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework
Normative reference — RFC 2181: Clarifications to the DNS Specification
Normative reference — RFC 3987: Internationalized Resource Identifiers (IRIs)
Normative reference — RFC 5198: Unicode Format for Network Interchange
Normative reference — RFC 7405: Case-Sensitive String Support in ABNF
Normative reference — RFC 9839: Unicode Character Repertoire Subsets
Informative reference — RFC 4648: The Base16, Base32, and Base64 Data Encodings
Informative reference — RFC 9110: HTTP Semantics
Informative reference — RFC 3966: The tel URI for Telephone Numbers
Informative reference — RFC 9499: DNS Terminology
Informative reference — RFC 3912: WHOIS Protocol Specification
Informative reference — RFC 6672: DNAME Redirection in the DNS
Informative reference — RFC 6530: Overview and Framework for Internationalized Email
Informative reference — RFC 6761: Special-Use Domain Names
Informative reference — RFC 4592: The Role of Wildcards in the Domain Name System
Informative reference — RFC 6068: The 'mailto' URI Scheme
Informative reference — RFC 9083: JSON Responses for the Registration Data Access Protocol (RDAP)
Informative reference — RFC 8552: Scoped Interpretation of DNS Resource Records through "Underscored" Naming of Attribute Leaves
Informative reference — RFC 8553: DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node Names