AWS US‑EAST‑1 Outage (Oct 20, 2025): DNS/DynamoDB failure knocks many services offline
AWS US‑EAST‑1 Outage (Oct 20, 2025): DNS/DynamoDB failure knocks many services offline On the morning of Oct. 20, 2025, a major outage in Amazon Web Services' US-EAST-1 region disrupted a wide range of websites, apps and online services. AWS reported increased error rates and latencies and later traced the root cause to a DNS resolution issue affecting the DynamoDB API — a widely used managed database service. Here’s a concise timeline of events reported by AWS and covered in contemporary reporting: 03:11 AM ET: AWS noted increased error rates and latencies in US-EAST-1 (AWS Service Health Dashboard). 05:01 AM ET: AWS identified a DNS resolution issue with the DynamoDB API as the primary cause. 06:35 AM ET: AWS said the DNS issue was mitigated and most services were succeeding normally.…
