52.0.79.31上的网站：
绑定过的域名如下：
2025-01-06-----2025-01-06 api-il.duolingo.com
2024-12-29-----2024-12-31 www.duolingo.com
2024-12-25-----2024-12-25 ru.duolingo.com
2024-12-25-----2024-12-25 it.duolingo.com
2024-12-24-----2024-12-24 schools.duolingo.com
2024-12-24-----2024-12-24 vi.duolingo.com
2024-12-24-----2024-12-24 nl-nl.duolingo.com