18.204.72.51上的网站：
绑定过的域名如下：
2023-11-11-----2023-11-11 www.duolingo.com
2023-11-07-----2023-11-07 id.duolingo.com
2023-11-07-----2023-11-07 zh-cn.duolingo.com
2023-11-11-----2023-11-11 www.duolingo.com
2023-11-07-----2023-11-07 id.duolingo.com
2023-11-07-----2023-11-07 zh-cn.duolingo.com