AWS’s DNS went belly-up on October 19, 2025, knocking services offline for over 24 hours. After a 10-day wait, AWS revealed the outage stemmed from a misconfigured DynamoDB DNS record that cascaded into EC2 and Network Load Balancer failures.
For the full play-by-play, check out the video chapters (Summary → Dynamo DNS oops → EC2 errors → NLB errors) or dive straight into AWS’s official root cause analysis.
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