44.195.190.247上的网站：
绑定过的域名如下：
2024-12-29-----2024-12-31 www.duolingo.com
2024-12-24-----2024-12-24 api.duolingo.com
2024-12-24-----2024-12-24 id.duolingo.com
2024-12-24-----2024-12-24 es.duolingo.com
2024-12-24-----2024-12-24 ru.duolingo.com
2024-12-29-----2024-12-31 www.duolingo.com
2024-12-24-----2024-12-24 api.duolingo.com
2024-12-24-----2024-12-24 id.duolingo.com
2024-12-24-----2024-12-24 es.duolingo.com
2024-12-24-----2024-12-24 ru.duolingo.com