CloudPlanetScale8 months ago
PlanetScale outage traced to AWS DNS failure
6 min read
A DNS misconfiguration at a PlanetScale service provider triggered a multi-hour incident on 2025-10-20 in AWS us-east-1. The control plane went down, but customer database branches remained fully available. A DynamoDB outage cascaded through AWS STS and S3, disabling PlanetScale's branch creation and configuration service.
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