DNSFilter incident

DNSFilter - Investigating Incorrect Domain Classification

Minor Ongoing View vendor source →

DNSFilter is currently experiencing a minor incident affecting Domain Categorization, which began 3h ago. The vendor's full update timeline is below.

Started
May 28, 2026, 01:46 PM UTC
Resolved
Ongoing
Duration
● 2h 34m
Detected by Pingoru
May 28, 2026, 01:46 PM UTC

Affected components

Domain Categorization

Update timeline

  1. identified May 28, 2026, 01:46 PM UTC

    We are aware of an issue causing certain valid domains to be incorrectly classified as malicious. Our team has identified the cause and is actively implementing a rollback to restore normal classification behavior as quickly as possible. This issue does not impact DNSFilter DNS resolution or overall service availability. We will continue to provide updates as progress is made and expect to share another update shortly.

  2. monitoring May 28, 2026, 01:58 PM UTC

    We have implemented a rollback and are currently monitoring the environment to ensure domain classifications continue operating normally. This issue did not impact DNS resolution or overall DNSFilter service availability. We will continue to monitor closely and provide any additional updates if necessary. If you continue to experience any issues, please submit a support ticket.