Microsoft has revealed that Thursday's worldwide outage was caused by a code defect that allowed the Azure DNS service to become overwhelmed and not respond to DNS queries. At approximately 5:21 PM ...

Microsoft has revealed the root cause of the recent outage affecting Azure, which lasted about an hour and was due to a surge in Domain Name System (DNS) requests coupled with a code defect. Users ...

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Following the massive cloud outages at AWS and Azure, DNS was quickly identified as the scapegoat. This is too simplistic, according to Carsten Strotmann. On October 19 and 20, 2025, there was an ...