#1.1.1.1 postmortems · postmortem.io

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All Incidents Shutdowns

Tags

outage 508 database 163 networking 61 aws 59 dns 43 api 41 shutdown 38 configuration 34 deployment 31 capacity 28 security 28 infrastructure 27 kubernetes 26 config-error 25 All tags →

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4 postmortems tagged "1.1.1.1"

When DNSSEC goes wrong: how we responded to the .de TLD outage May 5, 2026 Incident Cloudflare outagednsdnssec +3
Cloudflare 1.1.1.1 incident on July 14, 2025 Jul 14, 2025 Incident Cloudflare outagedns1.1.1.1 +3
Cloudflare 1.1.1.1 incident on June 27, 2024 Jun 27, 2024 Incident Cloudflare outagedns1.1.1.1 +4
1.1.1.1 lookup failures on October 4, 2023 Oct 4, 2023 Incident Cloudflare outageconfig-errordns +3