rfc9824v5.txt		rfc9824.txt
	Internet Engineering Task Force (IETF) S. Huque		Internet Engineering Task Force (IETF) S. Huque
	Request for Comments: 9824 Salesforce		Request for Comments: 9824 Salesforce
	Updates: 4034, 4035 C. Elmerot		Updates: 4034, 4035 C. Elmerot
	Category: Standards Track Cloudflare		Category: Standards Track Cloudflare
	ISSN: 2070-1721 O. Gudmundsson		ISSN: 2070-1721 O. Gudmundsson
	August 2025		September 2025
	Compact Denial of Existence in DNSSEC		Compact Denial of Existence in DNSSEC
	Abstract		Abstract
	This document describes a technique to generate a signed DNS response		This document describes a technique to generate a signed DNS response
	on demand for a nonexistent name by claiming that the name exists but		on demand for a nonexistent name by claiming that the name exists but
	doesn't have any data for the queried record type. Such responses		doesn't have any data for the queried record type. Such responses
	require only one minimally covering NSEC or NSEC3 record, allow		require only one minimally covering NSEC or NSEC3 record, allow
	online signing servers to minimize signing operations and response		online signing servers to minimize signing operations and response
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