iP or domain name lookup

sdstu.cn Server iP：

Current resolution：

domain resolution record：

2025-10-14-----2025-10-14 172.67.198.133

2025-10-14-----2025-10-14 104.21.44.97

2024-03-26-----2024-11-20 103.43.9.215

2024-03-26-----2024-03-30 152.32.128.41

2024-03-01-----2024-03-01 103.43.9.169

2024-02-12-----2024-02-22 103.43.9.214

2024-01-18-----2024-02-13 150.158.98.100

2022-12-10-----2024-01-17 49.232.213.186

2020-04-03-----2020-04-03 193.112.57.87

2017-08-23-----2019-07-14 122.114.65.226

2017-05-01-----2017-08-23 123.58.250.62