Attributed metadata history
Up to 100 retained publisher events per page for 85ddb0c776bb2ec16a8ebd91cee62b82bf91d4ffc16ed46d5a843d6122f8d048. Withdrawals and unavailable references remain attributed to their publishers.
intelligence_src_823f7b237762257237
observed · 2026-10-12 12:09:04 UTC
Our first full year as a live CA was an exciting one. I’m incredibly proud of what our team and community accomplished during 2016. I’d like to share some thoughts about how we’ve changed, what we’ve accomplished, and what we’ve learned. At the start of 2016, Let’s Encrypt certificates had been available to the public for less than a month and we were supporting approximately 240,000 active (unexpired) certificates. That seemed like a lot at the time! Now we’re frequently issuing that many new certificates in a single day while supporting more than 20,000,000 active certificates in total. We’ve issued more than a million certificates in a single day a few times recently. We’re currently serving an average of 6,700 OCSP responses per second. We’ve done a lot of optimization work, we’ve had to add some hardware, and there have been some long nights for our staff, but we’ve been able to keep up and we’re ready for another year of strong growth. We added a number of new features during the past year, including support for the ACME DNS challenge, ECDSA signing, IPv6, and Internationalized Domain Names. When 2016 started, our root certificate had not been accep
Fingerprint: cb89193da1c81966fcaa0780d836ba315e05aa29d7e408e5f7f137754a5fa979
intelligence_src_823f7b237762257237
observed · 2026-10-12 12:09:04 UTC
available
Fingerprint: 3ee9ede72037d42a31a54231e2db3aca2f948cab8548bb5974fefbf1d8cf8232