Amazon US-EAST-1 Outage in Details
From The Backend Engineering Show with Hussein Nasser by Hussein Nasser
October 31, 2025 · 24 min
About this episode
This episode discusses the details of the AWS outage that occurred on October 19, 2025, including the root cause analysis and specific errors related to DNS, Dynamo, EC2, and Network Load Balancer.
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/
People in this episode
Host: Hussein Nasser
Topics covered
- AWS outage
- DNS failure
- root cause analysis
- Dynamo
- EC2 errors
- Network Load Balancer errors
Keywords
- AWS
- outage
- DNS
- Dynamo
- EC2
- Network Load Balancer
- root cause analysis
- errors
Mentioned in this episode
Organizations: AWS
Products: Dynamo, EC2, Network Load Balancer
Places: US-EAST-1
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