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DNS Articles

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Consumer Services(2)

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Security•2026-04-01

Our ongoing commitment to privacy for the 1.1.1.1 public DNS resolver

Cloudflare shares results of an independent privacy audit for its 1.1.1.1 public DNS resolver, 8 years after launch.

Consumer Services

DevOps•2026-01-14

What came first: the CNAME or the A record?

This post explains how a memory optimization change in Cloudflare's 1.1.1.1 DNS resolver accidentally reversed the order of CNAME records in DNS responses, causing widespread resolution failures on January 8, 2026.

Consumer Services