Outage in Tailscale

Certificate creation issues

Resolved Minor

February 09, 2026 - Started 5 days ago - Lasted about 5 hours

Incident Report

We are investigating a problem which is causing problems with issuing new certificates for MagicDNS hostnames. This problem affects manual certificate issuance and the deployment of new services through Tailscale Serve or Tailscale Funnel. Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.

Components affected

Tailscale Certificates

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Latest Updates ( sorted recent to last )

MONITORING 5 days ago - at 02/09/2026 12:38PM

A fix has been deployed and we are monitoring for any further problems.

IDENTIFIED 5 days ago - at 02/09/2026 10:57AM

We have identified the problem and are rolling out a fix.

INVESTIGATING 5 days ago - at 02/09/2026 09:54AM

We are investigating a problem which is causing problems with issuing new certificates for MagicDNS hostnames. This problem affects manual certificate issuance and the deployment of new services through Tailscale Serve or Tailscale Funnel.

Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.

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