Browse Prior Art Database

The US Domain (RFC1480)

IP.com Disclosure Number: IPCOM000002308D
Original Publication Date: 1993-Jun-01
Included in the Prior Art Database: 2019-Feb-10
Document File: 47 page(s) / 60K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

A. Cooper: AUTHOR [+1]

Related Documents

10.17487/RFC1480: DOI

Abstract

This is a description of the US Top Level Domains on the Internet. This memo provides information for the Internet community. It does not specify an Internet standard.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 4% of the total text.

Network Working Group A. Cooper Request for Comments: 1480 J. Postel Obsoletes: 1386 June 1993

The US Domain

Status of this Memo

This memo provides information for the Internet community. It does not specify an Internet standard. Distribution of this memo is unlimited.

Table of Contents

1. Introduction ................................................ 2 1.1 The Internet Domain Name System......................... 2 1.2 Top-Level Domains....................................... 3 1.3 The US Domain .......................................... 4 2. Naming Structure ............................................ 4 2.1 State Codes ............................................ 8 2.2 Locality Names.......................................... 8 2.3 Schools ................................................ 10 2.4 State Agencies.......................................... 15 2.5 Federal Agencies ....................................... 15 2.6 Distributed National Institutes......................... 15 2.7 General Independent Entities............................ 16 2.8 Examples of Names....................................... 17 3. Registration ................................................ 20 3.1 Requirements ........................................... 20 3.2 Direct Entries ......................................... 21 3.2.1 IP-Hosts............................................. 21 3.2.2 Non-IP Hosts ........................................ 21 3.3 Delegated Subdomains ................................... 24 3.3.1 Delegation Requirement............................... 26 3.3.2 Delegation Procedures ............................... 28 3.3.3 Subdomain Contacts................................... 29 4. Database Information......................................... 30 4.1 Name Servers ........................................... 30 4.2 Zone files ............................................. 30 4.3 Resource Records ....................................... 31 4.3.1 "A" Records ......................................... 32 4.3.2 CNAME Records ....................................... 32 4.3.3 MX Records .......................................... 33 4.3.4 HINFO Records ....................................... 33 4.3.5 PTR Records ......................................... 33 4.4 Wildcards .............................................. 34 5. References .................................................. 35

Cooper & Postel [Page 1]

RFC 1480 The US Domain June 1993

6. Security Considerations ..................................... 35 7. Authors’ Addresses .......................................... 36 Appendix-I: US Domain Names BNF................................. 37 Appendix-II: US Domain Questionnaire ............................ 42

1. INTRODUCTION

1.1 The Internet Domain Name System

The Domain Name System (DNS) provides for the translation between hostnames and addresses. Within the Internet, this means translating from a name such as "venera.isi.edu", to an IP address such as "128.9.0.32"...

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