minor✓ Resolved

Cloudflare Gateway DNS-over-TLS Connectivity Issues over IPv4

Cloudflare•2026-11-02 22:12 UTC

Status

resolved

Duration

2h 22m

Updates

Coverage

0 articles

INCIDENT TIMELINE

✓ Resolved2026-11-03 00:34 UTC

This incident has been resolved.

resolved2026-11-03 00:34 UTC

This incident has been resolved.

monitoring2026-11-03 00:23 UTC

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

investigating2026-11-02 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.

📊 TECHNICAL DETAILS

Internal ID

e3e6d1e4-534a-446f-8eb9-3474eb0d0e0d

External ID

3bv9locsg7ln

🕐 Started

2026-11-02 22:12 UTC

🔄 Last Updated

2026-11-03 00:34 UTC

✓ Resolved

2026-11-03 00:34 UTC

MINOR

Impact Level

2h 22m

Total Duration

Status Updates

Affected Components

Gateway

REQUEST COVERAGE

No article has been written for this incident yet. When 100 people request coverage, we request generation of one.

0 / 100 requests100 more needed