====== DNS: Let's Encrypt ======

  * https://letsencrypt.org/ru/
    * https://github.com/letsencrypt/website
  * Клиенты 
    * https://certbot.eff.org/
    * https://github.com/Neilpang/acme.sh
      * https://github.com/Neilpang/acme.sh/wiki/dnsapi#89-use-nicru-dns
        * https://github.com/Neilpang/acme.sh/pull/2548
      * https://github.com/Neilpang/acme.sh/wiki/Blogs-and-tutorials

  * [[https://it.igro.tech/server-software/letsencrypt-nic-ru-dns-api.html]] - хорошая статья по использования DNS AIP от ru-center