iP or domain name lookup

1j51b23957.51mypc.cn Server iP：

Current resolution：

domain resolution record：

2023-02-19-----2023-07-06 47.111.82.157

2019-07-15-----2019-11-21 61.142.176.23

2017-09-12-----2017-09-14 223.199.158.86

2017-08-20-----2017-08-20 36.101.243.131

2017-08-19-----2017-08-19 36.101.243.218

2017-08-04-----2017-08-04 112.66.61.211

2017-08-03-----2017-08-03 223.199.148.207

2017-08-03-----2017-08-03 223.199.155.169

2017-07-25-----2017-07-26 59.50.51.154

2017-07-25-----2017-07-25 36.1.158.238

2017-07-17-----2017-07-17 36.1.157.67

2017-07-16-----2017-07-16 36.1.139.233

2017-07-16-----2017-07-16 36.1.137.219

2017-07-16-----2017-07-16 223.199.154.14

2017-07-16-----2017-07-16 112.66.54.240

2017-07-08-----2017-07-08 36.1.137.139

2017-07-08-----2017-07-08 112.66.58.175

2017-07-07-----2017-07-07 112.66.215.149

2017-07-02-----2017-07-02 223.199.151.20

2017-07-01-----2017-07-01 59.50.52.170

2017-07-01-----2017-07-01 223.199.157.210

2017-06-18-----2017-06-18 59.50.48.230

2017-05-29-----2017-05-29 59.50.51.94