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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·4 months ago
#jxJ5jPjf
#hugops#dnssec#resolver#zone#records#trust

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·4 months ago
#IpONHxLc
#pitfall#how#code#gtin#resolver#article

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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Introducing a New whoami Tool for DNS Resolver Information
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Introducing a New whoami Tool for DNS Resolver Information

The Domain Name System (DNS) tools “whoami.akamai.net” and its alias “whoami.akamai.com” have been used for many years, often as a step in the process for diagnosing how a content delivery network (CDN) is directing traffic, locality, and network…

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