Outage in DNSFilter

Local Domains Resolving to Unknown Block Page

Resolved Minor
September 29, 2025 - Started 30 days ago - Lasted about 6 hours
Official incident page

Incident Report

We are currently investigating an issue impacting customers who have added local domains to their Local Domain List that are also publicly accessible. In these cases, users may experience problems when connecting to VPNs or other services, resulting in the Unknown Block Page being displayed. Our team is actively working to identify a permanent resolution. Further updates will be posted here as they become available.
Components affected
DNSFilter Blocked Page

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Latest Updates ( sorted recent to last )
RESOLVED 30 days ago - at 09/29/2025 08:51PM

A solution has been implemented, and performance has returned to normal. No further impact is expected. If you continue to experience related issues, please reach out directly to our Support team.

MONITORING 30 days ago - at 09/29/2025 06:28PM

A fix has been implemented and we are monitoring the results.

INVESTIGATING 30 days ago - at 09/29/2025 06:27PM

We are continuing to investigate this issue.

INVESTIGATING 30 days ago - at 09/29/2025 06:24PM

We are continuing to investigate this issue.

INVESTIGATING 30 days ago - at 09/29/2025 03:02PM

We are currently investigating an issue impacting customers who have added local domains to their Local Domain List that are also publicly accessible. In these cases, users may experience problems when connecting to VPNs or other services, resulting in the Unknown Block Page being displayed. Our team is actively working to identify a permanent resolution.

Further updates will be posted here as they become available.

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