DNSFilter incident

Chromebook Roaming Client DoH Service

Notice Resolved View vendor source →

DNSFilter experienced a notice incident on November 28, 2025, lasting —. The incident has been resolved; the full update timeline is below.

Started
Nov 28, 2025, 02:23 PM UTC
Resolved
Nov 25, 2025, 08:00 PM UTC
Duration
—
Detected by Pingoru
Nov 28, 2025, 02:23 PM UTC

Update timeline

  1. resolved Nov 28, 2025, 02:23 PM UTC

    An issue was identified affecting our DoH service that may have impacted customers in the London region. This did NOT affect DNS1/DNS2 UDP/TCP/TLS/DoT services. We identified the fault on Tuesday the 25th and resolved the it by 20:00 UTC by updating all affected servers. In addition, we have improved our monitoring and automation by adding a new failsafe to avoid this from happening again in the future.