Global - Some PoPs are failing OCSP Validation

Incident Report for Quad9 Public Network Status Page

Resolved

This issue is resolved.

Approximate Start (some locations): 15:45 UTC
Issue Stop: 18:15 UTC
Posted Mar 22, 2026 - 18:31 UTC

Investigating

Some global PoPs are failing OCSP validation, which may result in encrypted DNS protocols to stop working depending on the implementation.
Posted Mar 22, 2026 - 17:52 UTC
This incident affected: Recursive DNS Services (Current Status).
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