Let's Encrypt is UP
and responding normally
Free SSL certificate authority
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Save it as a Vartio monitor and get alerts when our EU checks detect downtime or degraded response.
Response Time History
About Let's Encrypt
- Website
- letsencrypt.org
- Category
- Security
- Monitored from
- EU (Helsinki, Frankfurt, Amsterdam)
- Check interval
- Every 5 minutes
Frequently Asked Questions
Is Let's Encrypt down right now?
Let's Encrypt is currently up and running. Our last check from EU servers showed a response time of 84ms with 99.85% uptime over the past 30 days.
What is Let's Encrypt's uptime?
Let's Encrypt has a 30-day uptime of 99.85%, based on 15,605 checks from Vartio's EU monitoring servers located in Helsinki, Frankfurt, and Amsterdam.
How do I check if Let's Encrypt is down?
Vartio monitors Let's Encrypt every 5 minutes from multiple EU servers and runs a live check when you visit this page. This page shows the current status, response time, and 30-day uptime history. You can also monitor your own services for free.
Why is Let's Encrypt down?
When Let's Encrypt is down, Vartio automatically checks the service's official status page for reported incidents and outage reasons. Common causes include server maintenance, infrastructure issues, DNS problems, or DDoS attacks. Visit this page for real-time updates.
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