iP or domain name lookup

i.mooc.xtu.edu.cn Server iP：

Current resolution：

domain resolution record：

2021-03-10-----2024-03-22 140.210.88.209

2021-03-10-----2024-03-22 140.210.88.210

2021-03-10-----2024-03-22 140.210.88.208

2022-01-05-----2024-03-22 140.210.88.205

2022-01-05-----2024-03-22 140.210.88.206

2024-02-26-----2024-03-22 45.113.20.16

2024-02-26-----2024-03-22 140.210.88.30

2024-02-26-----2024-03-22 45.113.20.18

2024-02-26-----2024-03-22 140.210.88.207

2024-03-22-----2024-03-22 140.210.88.23

2024-03-22-----2024-03-22 140.210.88.24

2024-02-26-----2024-02-26 140.210.88.18

2021-03-10-----2022-01-05 140.210.88.212

2021-03-10-----2022-01-05 140.210.88.201

2022-01-05-----2022-01-05 140.210.88.203

2021-03-10-----2021-03-10 140.210.88.214

2021-03-10-----2021-03-10 140.210.88.202

2021-03-10-----2021-03-10 140.210.88.213