Analyzing hundreds of millions of SSL handshakes | Little Short Bulletins
www.leebutterman.com/2019/08/05/analyzing-hundreds-of-millions-of-ssl-connections.html
What Jamie wrote
Interesting read on real world activity in SSL certs. It’s awesome that Let's Encrypt is already servicing the majority of SSL certificates. I didn’t even think you could make a certificate that didn’t expire for a 100 years.