Cloudflare outage

November 18, 2025 at 11:20 UTC Resolved

Affected: Web Application, API

Not affected: DNS Monitoring, Notifications

Resolved - Services have been restored following the Cloudflare outage. We are implementing mitigation measures to enable more rapid recovery options for any future Cloudflare outages.

Details

On November 18, 2025, a widespread Cloudflare outage caused intermittent HTTP 5xx errors for sites behind Cloudflare's network, including the DNS Check web application and API. DNS Check experienced approximately 1 hour and 31 minutes of downtime during this event. DNS record monitoring and notification services were not impacted.

The Cloudflare outage began at approximately 11:20 UTC and services were fully restored by 17:06 UTC.