Outage in Quad9
Warsaw (qwaw2) - Service Degredation / Bad Certificate
Resolved MinorIncident Report
One of our servers pending decommission/removal somehow found its way back online and started announcing. Since the server is under-powered, this caused service degradation. In addition, it was using our previous SSL certificate, which broke DNS over TLS and DNS over HTTPS.
We apologize for any inconvenience caused.
Issue Start: 16:45 UTC, July 31st
Issue Stop: 19:05 UTC, July 31st
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RESOLVED
7 months ago - at 07/31/2025 07:47PM
One of our servers pending decommission/removal somehow found its way back online and started announcing. Since the server is under-powered, this caused service degradation. In addition, it was using our previous SSL certificate, which broke DNS over TLS and DNS over HTTPS.
We apologize for any inconvenience caused.
Issue Start: 16:45 UTC, July 31st
Issue Stop: 19:05 UTC, July 31st
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