Cloudflare incident

Secondary DNS Update Delays

Resolved after 1 hour 47 minutes, on September 25, 2026.

resolved Sep 25, 2026, 01:52 AM UTC

Cloudflare observed and resolved delays with Secondary DNS zone transfers. Customers may have experienced delays when record updates made on primary nameservers propagate to Cloudflare Secondary DNS as well as in the other direction. DNS resolution and edge proxying remain unaffected and continue to function normally. Impact on DNS transfers may have been observed today, from 00:05:10 UTC to 01:52:54.

Started
Sep 25, 2026, 12:05 AM UTC
Resolved
Sep 25, 2026, 01:52 AM UTC
Duration
1h 47m
Detected by Pingoru
Sep 25, 2026, 12:05 AM UTC

Update timeline

  1. resolved Sep 25, 2026, 01:52 AM UTC

    Cloudflare observed and resolved delays with Secondary DNS zone transfers. Customers may have experienced delays when record updates made on primary nameservers propagate to Cloudflare Secondary DNS as well as in the other direction. DNS resolution and edge proxying remain unaffected and continue to function normally. Impact on DNS transfers may have been observed today, from 00:05:10 UTC to 01:52:54.

Your product runs on more than Cloudflare

Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.

Add your stack →