iP or domain name lookup

dzs.niu.xunlei.com Server iP：

Current resolution：

domain resolution record：

2019-10-10-----2019-10-10 79.124.78.105

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

2017-12-13-----2018-01-18 60.217.235.252

2017-12-13-----2018-01-18 183.60.209.114

2017-12-13-----2017-12-13 150.138.215.250

2017-08-01-----2017-09-03 119.188.108.58

2017-08-01-----2017-09-03 121.14.82.17