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Tag
DNS
3 articles tagged DNS, newest first.
Inside Cloudflare's Worst Outage Since 2019: How One Feature File Took Down Half the Internet
A database permissions change triggered a chain reaction that caused Cloudflare's biggest outage in six years. Here's how a doubled feature file brought down a massive portion of global Internet traffic.
Redundant DNS at Home? Here's How This Setup Delivers VPN, Privacy, and Peace of Mind
A deep dive into building a highly available, privacy-focused DNS infrastructure at home using Pi-hole, Unbound, Keepalived, and VPN routing—delivering enterprise-grade reliability in your home network.
AWS us-east-1 Outage: Why Concentration Risk Still Matters
When AWS US-EAST-1 went down due to DNS failure, it exposed the painful irony of cloud resilience. 82 services crashed, including Slack, DockerHub, and Ring. Here's why the cloud's most popular region became its biggest single point of failure.