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Outage in DNSFilter

DNSFilter - Investigating Incorrect Domain Classification

Resolved Minor
May 28, 2026 - Started 21 days ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

DNSFilter experienced an issue where certain valid domains were incorrectly classified as malicious, affecting domain filtering accuracy for users. The problem did not impact DNS resolution or overall service availability. The team identified the root cause, implemented a rollback, and fully resolved the issue after 3 hours of monitoring to confirm normal classification behavior was restored.

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.

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Latest Updates ( sorted recent to last )
RESOLVED 21 days ago - at 05/28/2026 04:47PM

The issue causing certain domains to be incorrectly classified as malicious has been fully resolved. Our team implemented a rollback and completed monitoring to confirm classification behavior has returned to normal operation.

This issue did not impact DNS resolution or overall DNSFilter service availability.

We sincerely apologize for the disruption and appreciate your patience while we worked to quickly identify and resolve the issue.

If you continue to experience any related problems, please reach out to our Support team for further assistance.

MONITORING 21 days ago - at 05/28/2026 01:58PM

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.

IDENTIFIED 21 days ago - at 05/28/2026 01:46PM

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.

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