// Cloudflare Blog · 6 May 2026

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

On May 5, 2026, DENIC published broken DNSSEC signatures for the .de TLD, making millions of domains unreachable. Here's what 1.1.1.1 saw, how serve stale cushioned the impact, and how we restored resolution.

Cloudflare Blog

@cloudflare-blog · Sebastiaan Neuteboom

blog.cloudflare.com

Cloudflare Blog@cloudflare-blog