RFC 6563 · INFORMATIONAL · 2012
MON · 27 JUL 2026
Moving A6 to Historic Status
Overview
RFC 6563, “Moving A6 to Historic Status”, is an Informational document published in March 2012 by S. Jiang, D. Conrad, B. Carpenter. The canonical text is published by the RFC Editor.
Abstract
This document provides a summary of issues related to the use of A6 records, discusses the current status, and moves RFC 2874 to Historic status, providing clarity to implementers and operators. This document is not an Internet Standards Track specification; it is published for informational purposes.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 6563 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 2012
- RFC 6562 Guidelines for the Use of Variable Bit Rate Audio with Secure RTP
- RFC 6564 A Uniform Format for IPv6 Extension Headers
- RFC 6561 Recommendations for the Remediation of Bots in ISP Networks
- RFC 6565 OSPFv3 as a Provider Edge to Customer Edge Routing Protocol
- RFC 6560 One-Time Password Pre-Authentication
- RFC 6566 A Framework for the Control of Wavelength Switched Optical Networks with Impairments
- RFC 6559 A Reliable Transport Mechanism for PIM
- RFC 6567 Problem Statement and Requirements for Transporting User-to-User Call Control Information in SIP