RFC 9224 · INTERNET STANDARD · 2022
SUN · 14 JUN 2026
Finding the Authoritative Registration Data Access Protocol Service
Overview
RFC 9224, “Finding the Authoritative Registration Data Access Protocol Service”, is an Internet Standard document published in March 2022 by M. Blanchet. It obsoletes RFC 7484. The canonical text is published by the RFC Editor.
Abstract
This document specifies a method to find which Registration Data Access Protocol (RDAP) server is authoritative to answer queries for a requested scope, such as domain names, IP addresses, or Autonomous System numbers. This document obsoletes RFC 7484.
What “Internet Standard” means
A mature, widely-implemented specification that has completed the full IETF standards process — the highest maturity level on the standards track.
Read this RFC
The canonical text of RFC 9224 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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