iP or domain name lookup

eol.sdyu.edu.cn Server iP：

Current resolution：

domain resolution record：

2022-10-22-----2025-12-18 121.249.175.5

2025-02-15-----2025-02-15 65.21.240.245

2022-10-22-----2024-03-02 223.99.161.210

2024-03-02-----2024-03-02 222.175.107.145

2022-10-22-----2022-10-22 113.128.40.182

2022-10-22-----2022-10-22 60.216.52.42

2021-01-08-----2021-11-09 121.249.175.17

2021-01-08-----2021-11-09 222.175.107.134

2021-01-08-----2021-11-09 124.128.23.91

2021-01-08-----2021-11-09 111.17.194.242

2019-07-25-----2020-01-04 182.140.213.111