AdGuard experienced a minor incident on September 24, 2025 affecting AdGuard DNS, lasting 12h 57m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 24, 2025, 06:43 AM UTC
We're currently investigating the issue which causes a severe delay in query log updates in private AdGuard DNS service. We presume that no logs have been lost, and they will arrive when the issue is solved.
- identified Sep 24, 2025, 08:04 AM UTC
The issue has been identified, currently restoring missing query logs.
- identified Sep 24, 2025, 09:16 AM UTC
At this moment we can confirm the following: * No query logs were missed * Some query logs for 23.09.2025 are delivered twice - we will implement the fix today * Some old and new logs are shown in control panel with significant delay - we await resolving in the next 2-3 hours
- identified Sep 24, 2025, 10:21 AM UTC
All missing logs are now visible in UI. We are working on a deduplication of 23.09.2025 logs
- identified Sep 24, 2025, 12:55 PM UTC
All logs for 23.09.2025 will be refilled
- identified Sep 24, 2025, 02:03 PM UTC
All missing logs will become visible in the next 90 minutes
- monitoring Sep 24, 2025, 04:39 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Sep 24, 2025, 07:40 PM UTC
This incident has been resolved. We will add postmortem soon