4 posts
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when a subset of customers who use Cloudflare’s Bring Your Own IP (BYOIP) service saw their routes to the Internet withdrawn vi…
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…
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…
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…