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DegradedMajor · Resolvedcloud

Cloudflare 1.1.1.1 resolver degradation

A misconfigured routing update caused DNS resolution failures across multiple regions, intermittently affecting sites and APIs that rely on Cloudflare's 1.1.1.1 resolver.

Started
Mar 18, 2026, 02:08 PM UTC
Resolved
Mar 18, 2026, 03:46 PM UTC
Duration
1h 38m
Reports
4,820

Timeline

  1. Mar 18, 2026, 02:08 PM UTCCommunity report volume spikes across multiple regions.
  2. Mar 18, 2026, 02:23 PM UTCCloudflare confirms an active incident and begins investigation.
  3. Mar 18, 2026, 03:10 PM UTCConfiguration rollback is deployed to affected POPs.
  4. Mar 18, 2026, 03:46 PM UTCDNS resolution recovers globally; incident marked resolved.

Affected systems

  • 1.1.1.1 DNS resolver
  • Cloudflare Workers
  • DNS-over-HTTPS

Data sources

Official statusObservedUser-reported

Official status · Observed · User-reported · Estimated — hover a label for what it means. This record is reconstructed from public status-page and community-report signals; the live incident feed is being connected.

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