Cloudflare incident: Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4

Affected components

• Gateway

1. resolvedNov 3, 2026, 00:34 UTC

   This incident has been resolved.

2. monitoringNov 3, 2026, 00:23 UTC

   Our team has been able to identify and apply an effective fix for this issue. We are currently monitoring the results.

3. investigatingNov 2, 2026, 22:12 UTC

   Cloudflare is investigating an issue affecting Cloudflare Gateway DNS-over-TLS (DoT) connections over IPv4. Affected customers may experience connection timeouts and failed DNS resolution. This issue is limited to DoT over IPv4. DoT over IPv6, DNS-over-HTTPS (DoH), and standard DNS over UDP/TCP are not affected. We are working to identify the cause and restore connectivity. Further updates will be provided as more information becomes available.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Cloudflare's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

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How often does Cloudflare have incidents?

Cloudflare reported 139 incidents in the last 90 days, 12 of them major or critical. A typical incident lasted 1h 36m. See Cloudflare's uptime and incident history