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Add RFC reference to NSEC3 section in DNS Dev Docs #26184

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Nov 4, 2025
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Add RFC reference to NSEC3 section in DNS Dev Docs #26184

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Add RFC reference to NSEC3 section in DNS Dev Docs
hannes-cf Oct 30, 2025
f408daa
Remove quotes and link to RFC Editor as per Style Guide
RebeccaTamachiro Nov 4, 2025
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2 changes: 1 addition & 1 deletion src/content/docs/dns/dnssec/enable-nsec3.mdx
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Expand Up @@ -8,7 +8,7 @@ sidebar:

import { APIRequest } from "~/components";

As explained in [our blog](https://blog.cloudflare.com/black-lies/), Cloudflare's implementation of negative answers with NSEC is protected against zone walking[^1]. This implementation removes the need for NSEC3 and has been [proposed as an IETF standard](https://datatracker.ietf.org/doc/draft-ietf-dnsop-compact-denial-of-existence/).
As explained in [our blog](https://blog.cloudflare.com/black-lies/), Cloudflare's implementation of negative answers with NSEC is protected against zone walking[^1]. This implementation, also referred to as Compact Denial of Existance ([RFC 9824](https://www.rfc-editor.org/rfc/rfc9824.html)), removes the need for NSEC3 and is significantly more efficient.
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@RebeccaTamachiro RebeccaTamachiro Nov 4, 2025

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https://developers.cloudflare.com/style-guide/formatting/external-references/#links


However, if you must use NSEC3 for compliance reasons, you can enable it as explained below.

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