Cloudflare experienced a minor incident on May 5, 2026 affecting DNS Root Servers and Recursive DNS, lasting 17h 8m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 05, 2026, 09:17 PM UTC
We are observing issues with authoritative resolution for the .de TLD.
- identified May 05, 2026, 09:20 PM UTC
The issue has been identified and a fix is being implemented.
- identified May 05, 2026, 10:01 PM UTC
We are continuing to work on a fix for this issue.
- identified May 05, 2026, 10:07 PM UTC
We are continuing to work on a fix for this issue.
- identified May 05, 2026, 10:14 PM UTC
We are continuing to work on a fix for this issue.
- monitoring May 05, 2026, 10:37 PM UTC
The issue has been identified as a DNSSEC signing problem at DENIC, the organization responsible for the .DE top-level domain. Cloudflare has temporarily disabled DNSSEC validation on 1.1.1.1 resolver in order to allow .DE names to continue to resolve. DNSSEC validation will be re-enabled when the signing problems at DENIC are known to have been resolved.
- monitoring May 06, 2026, 12:40 PM UTC
We have removed our mitigations and we are monitoring the results.
- resolved May 06, 2026, 03:09 PM UTC
This incident has been resolved.
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