iP or domain name lookup

coolnan.cn Server iP：

Current resolution：

domain resolution record：

2022-09-26-----2022-09-26 127.0.0.1

2019-07-10-----2020-02-03 156.236.112.13

2017-02-26-----2017-11-27 47.52.4.194

2017-02-14-----2017-02-14 118.193.143.111

2017-02-02-----2017-02-07 118.193.141.138

2016-11-27-----2017-02-02 118.193.143.171

2017-01-09-----2017-01-13 118.193.142.77

2016-12-23-----2017-01-10 118.193.143.68

2017-01-06-----2017-01-06 122.9.21.118

2017-01-05-----2017-01-05 118.193.185.223

2017-01-05-----2017-01-05 122.10.30.87

2016-12-24-----2016-12-25 118.193.185.239

2016-12-16-----2016-12-16 118.193.142.184