Browse Prior Art Database

Reserved Top Level DNS Names (RFC2606)

IP.com Disclosure Number: IPCOM000003193D
Original Publication Date: 1999-Jun-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 4 page(s) / 7K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Eastlake: AUTHOR [+2]

Abstract

To reduce the likelihood of conflict and confusion, a few top level domain names are reserved for use in private testing, as examples in documentation, and the like. In addition, a few second level domain names reserved for use as examples are documented.

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 37% of the total text.

Network Working Group D. Eastlake

Request for Comments: 2606 A. Panitz

BCP: 32 June 1999

Category: Best Current Practice

Reserved Top Level DNS Names

Status of this Memo

This document specifies an Internet Best Current Practices for the

Internet Community, and requests discussion and suggestions for

improvements. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1999). All Rights Reserved.

Abstract

To reduce the likelihood of conflict and confusion, a few top level

domain names are reserved for use in private testing, as examples in

documentation, and the like. In addition, a few second level domain

names reserved for use as examples are documented.

Table of Contents

1. Introduction............................................1

2. TLDs for Testing, & Documentation Examples..............2

3. Reserved Example Second Level Domain Names..............2

4. IANA Considerations.....................................3

5. Security Considerations.................................3

References.................................................3

Authors' Addresses.........................................4

Full Copyright Statement...................................5

1. Introduction

The global Internet Domain Name System is documented in [RFC 1034,

1035, 1591] and numerous additional Requests for Comment. It defines

a tree of names starting with root, ".", immediately below which are

top level domain names such as ".com" and ".us". Below top level

domain names there are normally additional levels of names.

2. TLDs for Testing, & Documentation Examples

There is a need for top level domain (TLD) names that can be used for

creating names which, without fear of conflicts with current or

future actual TLD names in the global DNS, can be used for private

testing of existing DNS related code, examples in documentation, DNS

related experimentation, invalid DNS names, or other similar uses.

For example, without guidance, a site might set up some local

additional unused top level domains for testing of its local DNS code

and configuration. Later, these TLDs might come into actual use on

the global Internet. As a result, local attempts to reference the

real data in these zones could be thwarted by the local test

versions. Or test or example code might be written that accesses a

TLD that is in use with the thought that the test code would only be

run in a restricted testbed net or the example ...