Episode

Amazon US-EAST-1 Outage in Details

Podcast: The Backend Engineering Show with Hussein Nasser
Published: Oct 31, 2025
Duration seconds: 1466
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Canonical source: https://podcasters.spotify.com/pod/show/hnasr/episodes/Amazon-US-EAST-1-Outage-in-Details-e3ab3at
Audio: https://anchor.fm/s/1eb6d14/podcast/play/110512925/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-9-31%2F3532d99e-a478-85bc-0d99-07fb73919775.m4a
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Summary

On October 19 2025 AWS experienced an outage that lasted over a day, 10 days later we finally got the root cause analysis and we know exactly what caused the DNS to fail0:00 Summary 5:30 How did Dynamo lost its DNS?13:41 EC2 Errors 16:16 Network Load Balancer ErrorsRCA here https://aws.amazon.com/message/101925/