Cloudflare System Status

Issues with Zero Trust DNS-over-TLS

Incident Report for Cloudflare

Resolved

This incident has been resolved.
Posted Nov 12, 2025 - 17:33 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Nov 12, 2025 - 17:22 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted Nov 12, 2025 - 16:33 UTC

Update

We are continuing to investigate this issue.
Posted Nov 12, 2025 - 16:31 UTC

Investigating

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.
Posted Nov 12, 2025 - 16:31 UTC
This incident affected: Asia (Bangalore, India - (BLR), Kuala Lumpur, Malaysia - (KUL)), Europe (Lisbon, Portugal - (LIS)), North America (Salt Lake City, UT, United States - (SLC), San Antonio, United States - (SAT)), and Cloudflare Sites and Services (Zero Trust).