DNSSEC
type: TechArticle
description: DNSSEC cryptographically signs DNS records so resolvers can verify they have not been tampered with. Strong defence in depth, but only with full registrar and registry support.
language: en
is part of: Web Specification Studio
author: Web Specification Studio
publisher: Web Specification Studio
license: https://creativecommons.org/licenses/by/4.0/
date modified: 2026-07-09T00:00:00.000Z
citation: RFC 4033 — DNS Security Introduction and Requirements
  type: CreativeWork
  publisher: IETF
citation: RFC 4035 — Protocol Modifications for the DNS Security Extensions
  type: CreativeWork
  publisher: IETF
citation: ICANN — DNSSEC
  type: CreativeWork
  publisher: ICANN
citation: Internet Society — Deploying DNSSEC
  type: CreativeWork
  publisher: Internet Society

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type: Organization

breadcrumb
type: BreadcrumbList
item list element: Home
  type: ListItem
  position: 1
  item: https://webspecification.com/
item list element: Spec
  type: ListItem
  position: 2
  item: https://webspecification.com/spec/
item list element: Security
  type: ListItem
  position: 3
  item: https://webspecification.com/spec/security/
item list element: DNSSEC
  type: ListItem
  position: 4
  item: https://webspecification.com/spec/security/dnssec/