iP or domain name lookup

dm.niu.xunlei.com Server iP：

Current resolution：

domain resolution record：

2021-08-23-----2021-08-23 45.11.57.36

2021-07-04-----2021-07-04 45.32.185.198

2019-12-17-----2019-12-17 79.124.78.101

2019-11-19-----2019-11-19 79.124.78.105

2017-12-13-----2019-06-09 60.217.235.252

2017-12-13-----2019-06-09 183.60.209.114

2017-12-13-----2018-01-18 150.138.215.250

2017-12-13-----2018-01-18 122.143.5.120

2017-01-13-----2017-09-03 119.188.108.58

2017-01-13-----2017-09-03 121.14.82.17