iP or domain name lookup

hn.zhixueyou.cn Server iP：

Current resolution：

domain resolution record：

2020-12-31-----2020-12-31 172.120.224.116

2019-07-26-----2019-07-26 47.254.19.2

2017-11-08-----2017-11-11 43.227.216.38

2017-11-08-----2017-11-08 117.34.14.245

2017-11-08-----2017-11-08 58.211.137.245

2017-11-08-----2017-11-08 42.236.94.245

2017-11-08-----2017-11-08 162.159.210.90

2017-11-08-----2017-11-08 115.231.187.245

2017-11-08-----2017-11-08 104.31.145.86

2017-11-08-----2017-11-08 122.190.3.245

2017-11-08-----2017-11-08 101.71.56.245

2017-11-08-----2017-11-08 104.31.138.86