iP or domain name lookup

abtesting.yy.com Server iP：

Current resolution：

domain resolution record：

2020-11-22-----2022-06-06 221.228.79.225

2020-11-22-----2022-06-06 183.240.168.210

2020-11-22-----2022-06-06 163.177.156.228

2020-11-22-----2022-06-06 14.17.109.66

2021-12-08-----2022-06-06 103.227.121.120

2021-12-08-----2022-06-06 120.195.158.53

2020-11-22-----2021-07-27 103.227.121.100

2020-11-22-----2021-07-27 120.195.158.46