According to Cloudflare’s Merkle Town, 257,036 certificates are issued every hour. We at Let’s Encrypt are issuing close to 70% of those certs. Being a Certificate Authority that operates as a nonprofit for the public’s benefit means we are constantly considering how we can improve our Subscribers' experience and security. One simple innovation to do just that is by using CAA (Certificate Authority Authorization), and two CAA extensions for Account and Method Binding.