Tailscale outage history and postmortems
Developer tools · Toronto, Canada · 17 incidents in 90 days · 99.56% implied uptime · last 3d ago
History
About Tailscale
Tailscale Inc. is a software company based in Toronto, Ontario. Tailscale develops an open-source software-defined mesh virtual private network (VPN) and a web-based management service.
The last year, day by day
Downtime, added up
Tailscale: 9h 25m weighted downtime in range, category median 1h 16m.
17 incidents, 2 major or critical, 4d 15h of incident time (5h 55m major or critical, 4d 9h partial), longest 2d, implied uptime 99.56%, between Aug 12, 2026 and Nov 9, 2026.
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Questions
Is Tailscale down right now?
Check Tailscale's own status page at https://status.tailscale.com for the live state. This page shows Tailscale's incident history from that page; the most recent incident started 2026-11-06: "DERP connection issues".
How often does Tailscale have outages?
Tailscale posted 17 incidents in the last 90 days and 33 in the last year, 2 of them major or critical in the last 90 days. The median incident lasted 1h 52m.
When was Tailscale's last major outage?
2026-09-01: "Funnel connectivity issues", lasting 3h 31m.
What usually causes Tailscale incidents?
Tailscale's status updates in this period do not name a root cause.