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RFC 2915
Title: The Naming Authority Pointer (NAPTR) DNS Resource
Record
Author(s): M. Mealling, R. Daniel
Status: Standards Track
Date: September 2000
Mailbox: [EMAIL PROTECTED], [EMAIL PROTECTED]
Pages: 18
Characters: 41555
Updates: 2168
I-D Tag: draft-ietf-urn-naptr-rr-04.txt
URL: ftp://ftp.isi.edu/in-notes/rfc2915.txt
This document describes a Domain Name System (DNS) resource record
which specifies a regular expression based rewrite rule that, when
applied to an existing string, will produce a new domain label or
Uniform Resource Identifier (URI). Depending on the value of the
flags field of the resource record, the resulting domain label or URI
may be used in subsequent queries for the Naming Authority Pointer
(NAPTR) resource records (to delegate the name lookup) or as the
output of the entire process for which this system is used (a
resolution server for URI resolution, a service URI for ENUM style
e.164 number to URI mapping, etc).
This allows the DNS to be used to lookup services for a wide variety
of resource names (including URIs) which are not in domain name
syntax. Reasons for doing this range from URN Resource Discovery
Systems to moving out-of-date services to new domains.
This document updates the portions of RFC 2168 specifically dealing
with the definition of the NAPTR records and how other, non-URI
specific applications, might use NAPTR.
This document is a product of the Uniform Resource Names Working Group
of the IETF.
This is now a Proposed Standard Protocol.
This document specifies an Internet standards track protocol for
the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the
"Internet Official Protocol Standards" (STD 1) for the
standardization state and status of this protocol. Distribution
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Authors, for further information.
Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute
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