Outage in Cloudflare

Issues with Zero Trust DNS-over-TLS

Resolved Minor
November 12, 2025 - Started 2 months ago - Lasted about 1 hour
Official incident page

Incident Report

Cloudflare is aware of, and investigating, an issue which potentially impacts multiple users that use our Zero Trust DNS-over-TLS service in the following regions: - Bangalore, India - San Antonio, Texas - Salt Lake City, Utah - Kuala Lumpur, Malaysia - Lisbon, Portugal Further detail will be provided as more information becomes available.
Components affected
Cloudflare Sites and Services Cloudflare Asia Cloudflare Europe Cloudflare North America Cloudflare Bangalore, India - (BLR) Cloudflare Lisbon, Portugal - (LIS) Cloudflare Kuala Lumpur, Malaysia - (KUL) Cloudflare Salt Lake City, UT, United States - (SLC) Cloudflare San Antonio, United States - (SAT) Cloudflare Zero Trust

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Latest Updates ( sorted recent to last )
MONITORING 2 months ago - at 11/12/2025 05:22PM

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

IDENTIFIED 2 months ago - at 11/12/2025 04:33PM

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

INVESTIGATING 2 months ago - at 11/12/2025 04:31PM

We are continuing to investigate this issue.

INVESTIGATING 2 months ago - at 11/12/2025 04:31PM

Cloudflare is aware of, and investigating, an issue which potentially impacts multiple users that use our Zero Trust DNS-over-TLS service in the following regions:

- Bangalore, India
- San Antonio, Texas
- Salt Lake City, Utah
- Kuala Lumpur, Malaysia
- Lisbon, Portugal

Further detail will be provided as more information becomes available.

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