如果在鍵入：sudo certbot --nginx命令後

一直提示：

    IMPORTANT NOTES:
 - The following errors were reported by the server:


   Domain: xxxx.xxxx.com
   Type:   unknownHost
   Detail: No valid IP addresses found for xxxx.xxxx.com


   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A/AAAA record(s) for that domain
   contain(s) the right IP address.

請檢查：

1.域名是否解析為A/AAAA記錄

2.域名路線設定為“預設”，請勿設定為“國內”