Cloudflare System Status

Authoritative DNS on IPv6 Partially Unavailable

Incident Report for Cloudflare

Resolved

From 17:41 to 18:02 UTC, Authoritative DNS on some custom nameservers and some DNS firewall instances using IPv6 was unavailable. This was the result of a configuration change that was reverted.

Posted Nov 10, 2025 - 18:00 UTC