6 posts
cloudflare Our ongoing commitment to privacy for the 1.1.1.1 public DNS resolver 2026-04-01 Rory Malone Hannes Gerhart Leah Romm Exactly 8 years ago today, we launched the 1.1.1.1 public DNS resolver, with the intention to build the world’s fastest resolver — and the most private one. We k…
cloudflare Cloudflare outage on February 20, 2026 2026-02-21 David Tuber Dzevad Trumic On February 20, 2026, at 17:48 UTC, Cloudflare experienced a service outage when a subset of customers who use Cloudflare’s Bring Your Own IP (BYOIP) service saw their routes to the Internet withdrawn vi…
cloudflare Cable cuts, storms, and DNS: a look at Internet disruptions in Q4 2025 2026-01-26 David Belson In 2025, we observed over 180 Internet disruptions spurred by a variety of causes – some were brief and partial, while others were complete outages lasting for days. In the fourth quar…
cloudflare What came first: the CNAME or the A record? 2026-01-14 Sebastiaan Neuteboom On January 8, 2026, a routine update to 1.1.1.1 aimed at reducing memory usage accidentally triggered a wave of DNS resolution failures for users across the Internet. The root cause wasn't an attack or a…
cloudflare What we know about Iran’s Internet shutdown 2026-01-13 David Belson In late December 2025, wide-scale protests erupted across multiple cities in Iran. While these protests were initially fueled by frustration over inflation, food prices, and currency depreciation, they have grow…
datadog Laurent Bernaille David Lentz This story began when a routine update to one of our critical services caused a rise in errors. It looked like a simple issue—logs pointed to DNS and our metrics indicated that the impact to users was very low. But weeks later, our engineers were st…