Standards and Further Reading

The primary references below define the protocols and registration concepts summarized in this guide.

DNS

• RFC 1034: Domain Names — Concepts and Facilities
• RFC 1035: Domain Names — Implementation and Specification
• RFC 8499: DNS Terminology

HTTP, TLS, and Certificates

• RFC 9110: HTTP Semantics
• RFC 8446: The Transport Layer Security Protocol Version 1.3
• RFC 8555: Automatic Certificate Management Environment

Email Authentication

• RFC 7208: Sender Policy Framework
• RFC 6376: DomainKeys Identified Mail Signatures
• RFC 7489: Domain-based Message Authentication, Reporting, and Conformance

Registration Data

• ICANN Information for Domain Name Registrants
• ICANN Lookup FAQ

Using Standards

RFCs define protocol behavior, not a particular product interface. Use current registration and namespace policies for product-specific requirements, then use protocol standards to understand and verify the resulting DNS, HTTP, TLS, and email behavior.