Last updated:
ECDSA Root and Intermediates
We are issuing certificates from our production ECDSA intermediate to allow-listed accounts. There is no planned date for removing the allow-list.
Completed Features
ACME Renewal Information (ARI)
- Enabled: March 23, 2023
We now run ARI, a system that allows us to notify subscribers via API when they need to renew.
Multi-Perspective Validation
- Enabled: February 19, 2020
We now validate domain control from multiple network perspectives.
Certificate Transparency Log
- Enabled: May 15, 2019
We now operate a Certificate Transparency log.
TLS ALPN Challenge Support
- Enabled: July 12, 2018
We’ve specified and implemented a replacement for the TLS-SNI validation method, which was discontinued for security reasons. Introducing a replacement was important for subscribers who only want to use port 443 for validation.
Wildcard Certificates
- Enabled: March 13, 2018
ACME v2 API
- Enabled: March 13, 2018
Full IPv6 Support
- Enabled: July 26, 2016