iP or domain name lookup

uc.instructure.com Server iP：

Current resolution：

domain resolution record：

2024-07-22-----2024-07-23 54.205.44.231

2024-07-22-----2024-07-23 34.233.21.159

2024-07-23-----2024-07-23 54.234.93.64

2023-12-26-----2023-12-26 23.21.132.103

2023-12-26-----2023-12-26 35.175.27.56

2023-12-26-----2023-12-26 54.210.58.234

2023-07-02-----2023-07-02 54.167.143.131

2023-07-02-----2023-07-02 52.73.2.106

2023-07-02-----2023-07-02 44.198.80.82

2022-09-14-----2022-09-14 52.205.63.82

2022-09-14-----2022-09-14 54.87.223.35

2022-09-14-----2022-09-14 52.72.106.48