DNS Infrastructure & Naming Conventions
Our ongoing commitment to privacy for the 1.1.1.1 public DNS resolver

Our ongoing commitment to privacy for the 1.1.1.1 public DNS resolver

4/1/2026 · Rory Malone, Hannes Gerhart, Leah Romm

What this post added

This post reinforces Cloudflare's ongoing commitment to privacy for the 1.1.1.1 public DNS resolver by detailing the results of a recent independent privacy examination. It highlights the unchanged core privacy guarantees (no selling/sharing of data, anonymization of IPs within 25 hours) and mentions the rebuilding of the underlying platform for 1.1.1.1. It also clarifies the evolving use of anonymized logs for services like Cloudflare Radar, while emphasizing that personal privacy is not impacted.

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