One bad signature. Millions of websites. Gone.
On 5 May 2026, Germany's .de domain vanished from the internet for three hours. Amazon.de, Deutsche Bahn, Spiegel, DHL, major banks: all unreachable. Not hacked. Not ransomwared. One broken cryptographic record from the registry that manages 17.9 million domains.
The servers were perfectly healthy. Nobody could find them.
Corrine Jefferson and Graham Falkner break down what went wrong, why your business has the exact same invisible dependency, and what to do about it.
Read the full analysis: How a Broken DNSSEC Signature Knocked Out .de Sites