iP or domain name lookup

ib.sin1.adnxs.com Server iP：

Current resolution：

domain resolution record：

2021-05-31-----2023-12-03 103.43.90.54

2022-08-13-----2023-12-03 103.43.90.179

2022-08-13-----2023-12-03 103.43.90.114

2020-12-07-----2022-08-13 103.43.90.178

2022-08-13-----2022-08-13 103.43.90.53

2022-08-13-----2022-08-13 103.43.90.21

2022-08-13-----2022-08-13 103.43.90.117

2022-08-13-----2022-08-13 103.43.89.4

2021-05-31-----2021-05-31 103.43.90.55

2021-05-31-----2021-05-31 103.43.90.181

2020-12-07-----2020-12-07 103.43.90.20

2018-02-06-----2019-08-04 103.243.220.231

2018-02-06-----2019-08-04 103.243.221.46

2018-02-06-----2019-08-04 103.243.221.87

2018-02-06-----2019-08-04 103.243.221.75

2018-02-06-----2019-08-04 103.243.221.17

2019-07-15-----2019-08-04 103.243.221.109

2018-02-06-----2019-07-15 103.243.221.51

2018-02-06-----2018-02-06 103.243.221.112