Components
acme-v02.api.letsencrypt.org (Production), acme-staging-v02.api.letsencrypt.org (Staging)
Locations
High Assurance Datacenter 1, High Assurance Datacenter 2
September 11, 2026 02:39 UTC
RESOLVED
The incident has been resolved. Validations are succeeding.
September 11, 2026 02:11 UTC
IDENTIFIED
We have identified an issue with our DNS resolver in our secondary validation. The change is being reverted, and we expect to be operational within 15 minutes.
September 11, 2026 01:40 UTC
INVESTIGATING
Let's Encrypt is investigating elevated failure rates for Domain Control Validation over the last hour, which may prevent subscribers from obtaining certificates.