阿里云域名解析动态更新（DDNS）的Shell脚本，同时支持IPv4以及IPv6。Ali cloud domain name resolution dynamic update (DDNS) shell script, while supporting IPv4 and IPv6.

The purpose of this program is to generate certbot-toy which is a docker images for managing Certbot certificates. Unofficial build of EFF's Certbot with its plugin for doing DNS challenges, it currently supports aliyun Cloud DNS. 提供通用命令去高效管理letsencrypt的通配符证书。这个程序的目的是生成docker镜像，便于管理certbot证书。非Certbot官方生成，其dns插件目前已集成支持阿里云dns。