iP or domain name lookup

vast.w.inmobi.com Server iP：

Current resolution：

domain resolution record：

2017-08-06-----2023-04-19 221.122.73.48

2023-04-19-----2023-04-19 20.157.31.27

2023-01-28-----2023-01-28 20.157.31.16

2021-12-16-----2021-12-16 20.195.62.168

2020-09-18-----2021-04-23 20.43.151.2

2021-04-23-----2021-04-23 20.54.36.197

2021-04-23-----2021-04-23 52.188.35.179

2020-09-18-----2020-12-11 20.43.145.229

2020-12-11-----2020-12-11 52.188.95.84

2020-09-18-----2020-09-18 52.188.35.176

2020-09-18-----2020-09-18 52.188.35.180

2019-07-14-----2019-10-30 13.95.68.85

2019-10-30-----2019-10-30 40.117.61.35

2017-08-06-----2017-08-06 173.245.116.33