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Is Let's Encrypt down right now?

letsencrypt.org

Checking letsencrypt.org…

Asking our locations to reach the site. This takes a few seconds.

Uptime, 24 hours
100 %
Uptime, 7 days
100 %
Uptime, 30 days
100 %

Based on 1 day of checks so far. Checks that failed because of how we test, not because of the site, are left out.

Response time, last 24 hours

2026-10-09 11:03 UTC: 41 ms2026-10-09 11:19 UTC: 45 ms2026-10-09 11:34 UTC: 38 ms2026-10-09 11:50 UTC: 47 ms2026-10-09 12:06 UTC: 41 ms2026-10-09 12:21 UTC: 45 ms2026-10-09 12:37 UTC: 42 ms2026-10-09 12:52 UTC: 37 ms2026-10-09 13:08 UTC: 85 ms2026-10-09 13:24 UTC: 47 ms2026-10-09 13:39 UTC: 53 ms2026-10-09 13:55 UTC: 38 ms2026-10-09 14:10 UTC: 36 ms2026-10-09 14:26 UTC: 43 ms2026-10-09 14:41 UTC: 41 ms2026-10-09 14:57 UTC: 48 ms2026-10-09 15:13 UTC: 40 ms2026-10-09 15:28 UTC: 50 ms2026-10-09 15:44 UTC: 45 ms2026-10-09 15:59 UTC: 45 ms2026-10-09 16:15 UTC: 51 ms2026-10-09 16:30 UTC: 54 ms
Green: response time, full height at 100 ms or more. Red: down. Amber: not confirmed.

Response time by location, last 24 hours

LocationAverage responseReached
Berlin 1, Germany48 ms22 of 22 checks
Falkenstein, Germany44 ms22 of 22 checks
Berlin 2, Germany77 ms22 of 22 checks

Each check runs from all locations at once. A location far from the site’s servers answers later; that says nothing about the site being slow.

Outage history

No confirmed outage on record. An outage is listed once Let's Encrypt could not be reached from at least two locations in two checks in a row.

Recent checks

TimeStatusLocationsResponse
2026-10-09 16:30 UTCUp3 of 354 ms
2026-10-09 16:15 UTCUp3 of 351 ms
2026-10-09 15:59 UTCUp3 of 345 ms
2026-10-09 15:44 UTCUp3 of 345 ms
2026-10-09 15:28 UTCUp3 of 350 ms
2026-10-09 15:13 UTCUp3 of 340 ms
2026-10-09 14:57 UTCUp3 of 348 ms
2026-10-09 14:41 UTCUp3 of 341 ms

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About Let's Encrypt

Let's Encrypt

Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.

Visit letsencrypt.orgTitle and description as published by the site.

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