iP or domain name lookup

sjkdemo.udemy.cn Server iP：

Current resolution：

domain resolution record：

2023-10-12-----2023-10-12 150.138.153.108

2023-10-12-----2023-10-12 183.216.177.12

2022-08-03-----2022-08-03 116.177.230.45

2022-08-03-----2022-08-03 42.81.54.39

2022-08-03-----2022-08-03 121.207.227.135

2022-08-03-----2022-08-03 119.188.204.71

2022-08-03-----2022-08-03 112.49.47.39

2022-08-03-----2022-08-03 112.49.47.45

2022-08-03-----2022-08-03 183.204.41.183