Check if Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org is down, official outages, user-reported issues, and outages map.
Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org is working normally
Check the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe.
IsDown has tracked 11 incidents for Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org since started monitoring Let's Encrypt status in March 2022. We collect data from 4522+ services, and normalize the data to give you a clear picture of the impact of the outage. It will show official Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org outages and also issues that we're started by a spike in crowdsource reports.
| Date | Incident | Duration |
|---|---|---|
|
Jul 21, 2025
08:00 PM BST
|
Minor
We are investigating an API outage.
|
about 15 hours |
|
Mar 05, 2025
08:08 PM GMT
|
Major
During a scheduled maintenance, an issue occurred which has required us to temporarily disable th...
|
about 2 hours |
|
May 31, 2024
07:30 PM BST
|
Major
Due to an unexpected complication with ongoing maintenance, Let's Encrypt's API is returning an e...
|
about 1 hour |
|
May 18, 2024
11:49 PM BST
|
Minor
Service is disrupted due to a problem with our infrastructure. We've identified the problem and a...
|
2 days |
|
Feb 08, 2024
10:03 PM GMT
|
Minor
We're performing emergency infrastructure maintenance which is causing several brief (up to 90 se...
|
12 minutes |
|
Feb 08, 2023
11:23 PM GMT
|
Minor
Serving a higher volume of non-200 status codes for ocsp-resonder-intr3.
|
about 1 hour |
|
Nov 28, 2022
06:49 PM GMT
|
Minor
We're seeing an elevated rate of API errors; we are investigating.
|
about 9 hours |
|
Nov 22, 2022
06:57 AM GMT
|
Minor
We're investigating degraded performance in one datacenter for issuance using the production API.
|
1 day |
|
Nov 16, 2022
07:35 PM GMT
|
Minor
Ongoing infrastructure maintenance has had impacts on OCSP availability. We're investigating the ...
|
about 2 hours |
|
Oct 27, 2022
07:16 PM BST
|
Minor
We are investigating degraded performance in Let's Encrypt High Assurance Datacenter 2.
This i...
|
about 1 hour |
See what users are saying about Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org issues that impacted them and how they are affected by the outage. You can see if other users are experiencing the same issues and if there are any workarounds or solutions.
No comments yet
OCSP servers for Let's Encrypt, providing real-time certificate revocation status as part of the SSL/TLS certificate validation process.
Monitoring Let's Encrypt since March 2022
{e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org is part of Let's Encrypt. Check the Let's Encrypt's status.
2 incidents in 2025
Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org isn't down. You can check Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org status and incident details on the top of the page. IsDown continuously monitors Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org official status page every few minutes. In the last 24 hours, there were 0 outages reported.
Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org is currently operational. You can check Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.
No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.
Currently there's no report of Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org being slow. Check on the top of the page if there are any reported problems by other users.
IsDown monitors the Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.
Let's Encrypt {e1,e2,r3,r4}.o.lencr.org & ocsp.int-x{3..4}.letsencrypt.org last outage was on July 21, 2025 with the title "Let's Encrypt API Outage"
IsDown and DownDetector help users determine if Let's Encrypt is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information instead of just relying on reports from users. The integration allows us to provide more details about Let's Encrypt's Outages, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.
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