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When DNSSEC goes wrong: how we responded to the .de TLD outage
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When DNSSEC goes wrong: how we responded to the .de TLD outage

The Cloudflare Blog ·Sebastiaan Neuteboom·5 months ago
#jxJ5jPjf
#hugops#dnssec#resolver#zone#records

On May 5, 2026, DENIC published broken DNSSEC signatures for the .de TLD, making millions of domains unreachable. Here's what 1.1.1.1 saw, how serve stale cushioned the impact, and how we restored resolution.

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GS1 Digital Link QR Code Implementation: The Technical Guide
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GS1 Digital Link QR Code Implementation: The Technical Guide

DEV Community·Nacho González·6 months ago
#IpONHxLc
#pitfall#how#code#gtin#resolver

GS1 Digital Link QR code implementation: URI structure, resolver setup, GTIN encoding, retail and healthcare use cases, plus 5 pitfalls to avoid.

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