# root-greenlock.js 🔐 Free SSL, Free Wildcard SSL, and Fully Automated HTTPS for Node.js and Browsers, issued by Let's Encrypt v2 via ACME Typically file propagation is faster and more reliably than DNS propagation. Therefore, http-01 will be preferred to dns-01 except when wildcards or **private domains** are in use. http-01 will only be supplied as a defaut if no other challenge is provided. ``` Greenlock.create Greenlock#add Greenlock#order... or Greenlock#issue? Greenlock#renew... or Greenlock#issue? Greenlock#remove Greenlock#get Greenlock#all ``` Better scaling cluster lazy-load, remote management `server identifier (for sharding, for manager)`