nayaread
HomeFavouritesTopicsSources
HomeFavouritesTopicsSources
NayaRead links to original engineering blogs. All copyright belongs to the respective authors.
Slack Engineering·Nov 29, 2021·17 min read57

The Case of the Recursive Resolvers

On September 30th 2021, Slack had an outage that impacted less than 1% of our online user base, and lasted for 24 hours. This outage was the result of our attempt to enable DNSSEC — an extension intended to secure the DNS protocol, required for FedRAMP Moderate — but which ultimately led to a series of…

Read original on slack.engineering

Discussion around the web

  • Hacker News132 · 47 💬

Score breakdown

  • Technical depth71
  • Practical value60
  • Originality60
  • Writing quality96
  • Source reputation85
  • Recency0
  • External engagement30
  • On-site engagement0

NayaRead shows a summary and links to the original article. The full article is hosted on slack.engineering.

More like this

The Cloudflare Blog

Cloudflare 1.1.1.1 Incident on July 14, 2025

Jul 15, 2025·17 min read
The Cloudflare Blog

Understanding how Facebook disappeared from the Internet

Oct 4, 2021·15 min read
Slack Engineering

A Terrible, Horrible, No-Good, Very Bad Day at Slack

Jul 7, 2020·8 min read
Slack Engineering

Slack’s Outage on January 4th 2021

Feb 1, 2021·9 min read