Tailscale experienced a minor incident on March 18, 2026 affecting Certificates and Funnel, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 18, 2026, 10:43 AM UTC
Status: Investigating 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. Affected components Certificates (Partial outage) Funnel (Degraded performance)
- identified Mar 18, 2026, 12:22 PM UTC
Status: Identified We have identified the problem and are rolling out a fix. Affected components Certificates (Partial outage) Funnel (Degraded performance)
- monitoring Mar 18, 2026, 01:54 PM UTC
Status: Monitoring A fix has been deployed and we are monitoring for any further problems. Affected components Certificates (Operational) Funnel (Operational)
- resolved Mar 18, 2026, 02:09 PM UTC
Status: Resolved This incident has been resolved. Affected components Certificates (Operational) Funnel (Operational)