RFC 2671 · PROPOSED STANDARD · 1999

Extension Mechanisms for DNS

Overview

RFC 2671, “Extension Mechanisms for DNS”, is a Proposed Standard document published in August 1999 by P. Vixie. It has been obsoleted by RFC 6891 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.

Abstract

The Domain Name System's wire protocol includes a number of fixed fields whose range has been or soon will be exhausted and does not allow clients to advertise their capabilities to servers. This document describes backward compatible mechanisms for allowing the protocol to grow. [STANDARDS-TRACK]

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 2671 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
Obsoleted by
RFC 6891
Other RFCs from 1999

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