iP or domain name lookup

www.courses.tongji.edu.cn Server iP：

Current resolution：

domain resolution record：

2025-12-20-----2025-12-20 54.153.56.183

2022-03-17-----2022-03-18 96.126.123.244

2022-03-13-----2022-03-17 45.33.2.79

2022-03-15-----2022-03-17 45.79.19.196

2022-03-13-----2022-03-16 72.14.185.43

2022-03-16-----2022-03-16 45.56.79.23

2022-03-16-----2022-03-16 72.14.178.174

2022-03-15-----2022-03-15 45.33.23.183

2022-03-14-----2022-03-14 45.33.18.44

2022-03-14-----2022-03-14 173.255.194.134

2020-12-06-----2020-12-06 52.128.23.153