notestockで認識しているSSLの発行元だとLet's Encrypt対Cloudflare=4.5対1ぐらいの割合
Let's Encrypt:841
Cloudflare, Inc.:188
ZeroSSL:19
Amazon:14
Google Trust Services LLC:6
TrustAsia Technologies, Inc.:3
Sectigo Limited:3
Buypass AS-983163327:2
DigiCert Inc:2
Japan Registry Services Co., Ltd.:1
Root Networks, LLC:1
GlobalSign nv-sa:1
GEANT Vereniging:1
Starfield Technologies, Inc.:1
Gandi:1