Cloudflare incident

Cloudflare One DNS issues with .internal zones

Minor Resolved View vendor source →

Cloudflare experienced a minor incident on May 22, 2026 affecting Cloudflare WAN and Cloudflare One Client, lasting 14m. The incident has been resolved; the full update timeline is below.

Started
May 22, 2026, 07:52 AM UTC
Resolved
May 22, 2026, 08:06 AM UTC
Duration
14m
Detected by Pingoru
May 22, 2026, 07:52 AM UTC

Affected components

Cloudflare WANCloudflare One Client

Update timeline

  1. investigating May 22, 2026, 07:52 AM UTC

    We are investigating issues with Cloudflare One (Client and WAN) where DNS resolutions are failing for .internal zones when they are served by private DNS resolvers reachable via Cloudflare One only.

  2. identified May 22, 2026, 07:52 AM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring May 22, 2026, 08:02 AM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved May 22, 2026, 08:06 AM UTC

    This incident has been resolved.