Initializing a DNS Resolver with Priming Queries
RFC 8109, “Initializing a DNS Resolver with Priming Queries”, is a Best Current Practice document published in March 2017 by P. Koch, M. Larson, P. Hoffman. It has been obsoleted by RFC 9609 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This document describes the queries that a DNS resolver should emit to initialize its cache. The result is that the resolver gets both a current NS Resource Record Set (RRset) for the root zone and the necessary address information for reaching the root servers.
What “Best Current Practice” means
Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.
The canonical text of RFC 8109 is hosted at rfc-editor.org. Available in TXT,HTML.
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