iP or domain name lookup

book.mbai.cn Server iP：

Current resolution：

domain resolution record：

2022-04-21-----2022-05-18 8.142.132.29

2019-06-14-----2019-08-14 47.92.42.21

2019-06-14-----2019-08-14 47.92.42.163

2019-07-13-----2019-08-14 47.92.42.254

2019-06-14-----2019-07-13 47.92.42.171

2019-06-14-----2019-07-13 47.92.42.178

2019-07-13-----2019-07-13 47.92.42.139

2019-07-13-----2019-07-13 47.92.42.165

2019-07-13-----2019-07-13 47.92.42.228

2019-06-14-----2019-06-14 47.92.42.157

2019-06-14-----2019-06-14 47.92.43.200

2017-08-06-----2017-08-07 112.74.143.10

2017-08-06-----2017-08-06 120.25.128.136

2017-08-06-----2017-08-06 120.25.131.8

2017-08-06-----2017-08-06 112.74.139.49

2017-08-06-----2017-08-06 120.77.124.167

2017-08-06-----2017-08-06 112.74.143.4

2017-08-06-----2017-08-06 120.77.128.232

2017-08-06-----2017-08-06 120.25.132.29

2017-08-06-----2017-08-06 112.74.143.47