iP or domain name lookup

login.pkulaw.com Server iP：

Current resolution：

domain resolution record：

2023-08-05-----2023-08-05 113.1.0.195

2023-03-20-----2023-05-05 223.109.137.129

2023-03-20-----2023-05-05 27.221.71.145

2023-03-20-----2023-05-05 58.221.30.123

2023-05-05-----2023-05-05 61.156.15.103

2023-05-05-----2023-05-05 120.233.82.117

2023-05-05-----2023-05-05 1.71.155.77

2023-03-20-----2023-03-20 42.81.120.113

2021-12-08-----2022-07-30 139.198.9.155

2022-03-10-----2022-07-30 103.88.33.160

2021-12-08-----2021-12-08 139.198.13.188