DNSSEC Articles

Cloudflare

11 min read

Security•2026-05-06

When DNSSEC goes wrong: how we responded to the .de TLD outage

A technical post about how Cloudflare responded to the .de TLD DNSSEC signature failure on May 5, 2026, which caused widespread DNS validation failures.

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DNSSEC

1.1.1.1

Reliability

Outage

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When DNSSEC goes wrong: how we responded to the .de TLD outage