xenolf/lego arguably has the widest support in the sense of ACME verification methods, but autocert might get other methods too: https://github.com/golang/go/is

xenolf/lego arguably has the widest support in the sense of ACME verification methods, but autocert might get other methods too: https://github.com/golang/go/issues/21890 https://github.com/golang/go/issues/21890