Registration Data Access Protocol (RDAP) Query Format
RFC 7482

Document Type RFC - Proposed Standard (March 2015; No errata)
Last updated 2015-10-14
Replaces draft-hollenbeck-weirds-unified-rdap-query
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Stream WG state Submitted to IESG for Publication (wg milestone: Sep 2014 - draft-ietf-weirds-rd... )
Document shepherd Murray Kucherawy
Shepherd write-up Show (last changed 2014-09-22)
IESG IESG state RFC 7482 (Proposed Standard)
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Responsible AD Pete Resnick
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IANA IANA review state Version Changed - Review Needed
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Internet Engineering Task Force (IETF)                         A. Newton
Request for Comments: 7482                                          ARIN
Category: Standards Track                                  S. Hollenbeck
ISSN: 2070-1721                                            Verisign Labs
                                                              March 2015

         Registration Data Access Protocol (RDAP) Query Format

Abstract

   This document describes uniform patterns to construct HTTP URLs that
   may be used to retrieve registration information from registries
   (including both Regional Internet Registries (RIRs) and Domain Name
   Registries (DNRs)) using "RESTful" web access patterns.  These
   uniform patterns define the query syntax for the Registration Data
   Access Protocol (RDAP).

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7482.

Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Newton & Hollenbeck          Standards Track                    [Page 1]
RFC 7482                    RDAP Query Format                 March 2015

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions Used in This Document . . . . . . . . . . . . . .   4
     2.1.  Acronyms and Abbreviations  . . . . . . . . . . . . . . .   4
   3.  Path Segment Specification  . . . . . . . . . . . . . . . . .   4
     3.1.  Lookup Path Segment Specification . . . . . . . . . . . .   5
       3.1.1.  IP Network Path Segment Specification . . . . . . . .   6
       3.1.2.  Autonomous System Path Segment Specification  . . . .   7
       3.1.3.  Domain Path Segment Specification . . . . . . . . . .   7
       3.1.4.  Nameserver Path Segment Specification . . . . . . . .   8
       3.1.5.  Entity Path Segment Specification . . . . . . . . . .   9
       3.1.6.  Help Path Segment Specification . . . . . . . . . . .   9
     3.2.  Search Path Segment Specification . . . . . . . . . . . .   9
       3.2.1.  Domain Search . . . . . . . . . . . . . . . . . . . .  10
       3.2.2.  Nameserver Search . . . . . . . . . . . . . . . . . .  11
       3.2.3.  Entity Search . . . . . . . . . . . . . . . . . . . .  12
   4.  Query Processing  . . . . . . . . . . . . . . . . . . . . . .  13
     4.1.  Partial String Searching  . . . . . . . . . . . . . . . .  13
     4.2.  Associated Records  . . . . . . . . . . . . . . . . . . .  14
   5.  Extensibility . . . . . . . . . . . . . . . . . . . . . . . .  14
   6.  Internationalization Considerations . . . . . . . . . . . . .  15
     6.1.  Character Encoding Considerations . . . . . . . . . . . .  15
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  17
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  19
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  19
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  20

1.  Introduction

   This document describes a specification for querying registration
   data using a RESTful web service and uniform query patterns.  The
   service is implemented using the Hypertext Transfer Protocol (HTTP)
   [RFC7230] and the conventions described in [RFC7480].  These uniform
   patterns define the query syntax for the Registration Data Access
   Protocol (RDAP).

   The protocol described in this specification is intended to address
   deficiencies with the WHOIS protocol [RFC3912] that have been
   identified over time, including:

   o  lack of standardized command structures;

   o  lack of standardized output and error structures;

   o  lack of support for internationalization and localization; and

Newton & Hollenbeck          Standards Track                    [Page 2]
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