iP or domain name lookup

yuancheng1.iok.la Server iP：

Current resolution：

domain resolution record：

2020-05-08-----2022-05-01 47.111.82.157

2019-08-30-----2020-02-06 0.0.0.0

2019-07-14-----2019-07-14 123.13.157.161

2019-07-14-----2019-07-14 123.13.156.55

2019-07-01-----2019-07-02 123.13.153.38

2019-05-14-----2019-05-14 100.64.194.210

2019-05-04-----2019-05-04 100.64.21.171

2017-04-25-----2017-04-26 182.112.93.85

2017-04-25-----2017-04-25 115.52.74.160

2017-04-22-----2017-04-22 123.13.65.117

2017-04-22-----2017-04-22 115.51.51.195

2017-04-18-----2017-04-18 182.120.165.49

2017-04-14-----2017-04-14 115.52.75.194

2017-03-25-----2017-03-25 123.13.153.211