iP or domain name lookup

a789.us Server iP：

Current resolution：

domain resolution record：

2024-07-25-----2024-09-01 149.104.26.7

2024-08-21-----2024-09-01 8.217.140.53

2024-07-19-----2024-08-26 154.44.25.148

2024-07-19-----2024-08-17 154.21.201.60

2024-08-13-----2024-08-17 127.0.1.1

2024-02-08-----2024-02-08 45.56.79.23

2023-12-30-----2024-01-03 76.223.67.189

2023-12-30-----2024-01-03 13.248.213.45

2021-09-19-----2023-10-08 129.227.60.100

2017-04-03-----2017-04-07 103.39.78.230