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AWS Outage Disrupts Major Apps and Services as DNS Failure Hits US‑EAST‑1

Amazon cites failed DNS resolution for the DynamoDB API in its Northern Virginia region.

Overview

  • On October 21, a widespread disruption affected consumer platforms, banks, telecoms and some flights, interrupting access to services that rely on AWS.
  • Snapchat, Canva, HM Revenue & Customs, Lloyds, Royal Bank of Scotland in Scotland, Vodafone and BT were among those reporting problems tracked by Downdetector.
  • Ookla, which operates Downdetector, recorded more than 4 million user problem reports during the incident.
  • AWS is working to fix the root cause and warns that some systems may continue to show major errors as services recover.
  • There is no evidence the outage was caused by a cyberattack, and experts say the event highlights systemic risk from heavy dependence on a single cloud region with a history of large incidents.