iP or domain name lookup

yangkaren.com Server iP：

Current resolution：

domain resolution record：

2019-06-26-----2019-08-25 162.159.211.73

2019-06-26-----2019-08-25 117.34.14.180

2019-06-26-----2019-08-25 58.211.137.180

2019-06-26-----2019-08-25 42.236.94.180

2019-06-26-----2019-08-25 122.190.3.180

2019-06-26-----2019-08-14 162.159.210.73

2017-12-04-----2017-12-04 42.236.94.210

2017-12-04-----2017-12-04 162.159.210.58

2017-12-04-----2017-12-04 125.39.174.210

2017-12-04-----2017-12-04 117.34.14.210

2017-12-04-----2017-12-04 58.211.137.210

2017-12-04-----2017-12-04 115.231.187.210

2017-12-04-----2017-12-04 162.159.211.58

2017-04-26-----2017-10-13 115.159.17.237