letsencrypt.org status
Is letsencrypt.org down? No — letsencrypt.org is up and running normally, checked 1 hour ago. It has recorded 100% uptime over the last 30 days, with an average response time of 63 ms.
https://letsencrypt.org90-day uptime history
Each bar is one day. Green = no incidents, red = downtime detected.
Response time
letsencrypt.org responds in about 63 ms on average. Daily average response time over the monitored window:
Recent outages
Downtime detected by exit1.dev over the last 90 days.
exit1.dev detected downtime on 1 day in the last 90 days. The most recent was May 23, 2026 (57 days ago).
- May 23, 2026downtime detected96% that day · 25 checks
Frequently asked questions about letsencrypt.org
Is letsencrypt.org down right now?
As of the last check (1 hour ago), letsencrypt.org is up and running normally. exit1.dev probes it continuously and updates this page automatically.
What is letsencrypt.org's uptime?
letsencrypt.org has recorded 100% uptime over the last 30 days and 99.93% over the last 90 days, based on exit1.dev's independent monitoring.
What is letsencrypt.org's average response time?
letsencrypt.org responds in about 63 ms on average over the last 30 days.
Has letsencrypt.org had any outages recently?
exit1.dev detected downtime on 1 day in the last 90 days. The most recent was May 23, 2026.
How does exit1.dev measure letsencrypt.org's status?
exit1.dev runs automated uptime checks against letsencrypt.org around the clock from multiple regions, recording status and response time on every probe. The figures here are independent, third-party measurements — not self-reported by letsencrypt.org.
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