Let's Encrypt通配符证书将于1月4日公开测试，2月27日正式上线。
https://letsencrypt.org/2017/12/07/looking-forward-to-2018.html
https://letsencrypt.org/2017/12/07/looking-forward-to-2018.html
letsencrypt.org
Looking Forward to 2018
Let’s Encrypt had a great year in 2017. We more than doubled the number of active (unexpired) certificates we service to 46 million, we just about tripled the number of unique domains we service to 61 million, and we did it all while maintaining a stellar…
