AWS CloudFront Outage (Feb 2026): Timeline, Cascade, and Lessons
At approximately 9:15 PM UTC on February 10, 2026, Amazon CloudFront began returning NXDOMAIN responses for DNS queries against specific distributions. In practical terms: DNS was telling users that services behind those distributions simply didn't exist. The root cause was a DNS resolution failure within CloudFront's infrastructure that quickly spread to eight interconnected AWS services.