Cisco Umbrella incident

Intermittent latency increase on some DNS resolution requests

Minor Resolved View vendor source →

Cisco Umbrella experienced a minor incident on November 29, 2025 affecting DNS, lasting 2h 9m. The incident has been resolved; the full update timeline is below.

Started
Nov 29, 2025, 08:00 AM UTC
Resolved
Nov 29, 2025, 10:09 AM UTC
Duration
2h 9m
Detected by Pingoru
Nov 29, 2025, 08:00 AM UTC

Affected components

DNS

Update timeline

  1. investigating Nov 29, 2025, 08:00 AM UTC

    We are currently investigating an issue involving an intermittent latency increase on some DNS resolution requests.

  2. resolved Nov 29, 2025, 10:09 AM UTC

    The incident has been resolved as of approximately 2025-11-29 09:33 UTC.