Quad9 incident

DE ccTLD Issue Identified

Minor Resolved View vendor source →

Quad9 experienced a minor incident on May 5, 2026 affecting Current status by service (quad9.net), lasting —. The incident has been resolved; the full update timeline is below.

Started
May 05, 2026, 09:02 PM UTC
Resolved
May 05, 2026, 09:02 PM UTC
Duration
Detected by Pingoru
May 05, 2026, 09:02 PM UTC

Affected components

Current status by service (quad9.net)

Update timeline

  1. investigating May 05, 2026, 09:02 PM UTC

    We are monitoring a DNSSEC-related issue with DE ccTLD. The issue is not specific to Quad9. We will update once more information becomes available.

  2. resolved May 05, 2026, 09:02 PM UTC

    UPDATE: The issue appears to be resolved. Accordingly, we have removed the NTAs. We will continue to monitor and update if anything changes. _________ We are monitoring a DNSSEC-related issue with DE ccTLD. The issue is not specific to Quad9. UPDATE: As a result of the issue, we have decided to temporarily implement Negative Trust Anchors. You can view our NTA policy here: https://quad9.net/service/negative-trust-anchors/ We will continue to update as more information becomes available.