iP or domain name lookup

ai.xueersi.com Server iP：

Current resolution：

domain resolution record：

2021-09-12-----2022-08-04 134.175.75.151

2021-09-12-----2022-08-04 212.129.229.215

2021-09-12-----2022-08-04 140.143.215.139

2019-10-05-----2019-10-05 47.74.160.101

2019-10-05-----2019-10-05 47.246.19.233

2019-10-05-----2019-10-05 47.89.66.205

2019-10-05-----2019-10-05 47.246.43.226

2019-07-21-----2019-08-23 203.107.33.189

2019-01-24-----2019-01-24 111.206.170.217