#post mortem

Sebastiaan Neuteboom 14 Jul 2026 7 min read

When a failed DNSSEC key rollover took down the .AL TLD, we deployed a Negative Trust Anchor to restore resolution. This time, though, clients didn't have to take our word for it: 1.1.1.1 returned EDE 33, a new DNS error code that signals directly in the response that DNSSEC validation was bypassed.

dnsdnssecpost mortem1.1.1.1reliability

Jeremy Hartman 1 May 2026 9 min read

We have completed a massive engineering effort to make our infrastructure more resilient. Through new tools like Snapstone and the Engineering Codex, we've implemented safer configuration changes and automated best practices to prevent future incidents.

outagepost mortemcode orange

Brendan Humphreys 20 Dec 2024 1 min read

An incident report for the Canva outage on November 12, 2024.

post incident reviewpirincidentinfrastructurepost mortem

14 Aug 2012 3 min read

As some of you might know, we had an outage yesterday. We believe that in every mistake there is something to learn from, so after each…

post mortem