iP or domain name lookup

wcas.sdo.com Server iP：

Current resolution：

domain resolution record：

2024-04-10-----2024-04-10 121.4.186.15

2023-12-03-----2024-02-05 118.25.249.4

2023-12-03-----2024-02-05 118.25.249.194

2023-12-03-----2024-02-05 81.69.157.190

2023-12-03-----2024-02-05 150.158.220.102

2023-12-03-----2024-02-05 150.158.224.181