iP or domain name lookup

30group.cn.china.cn Server iP：

Current resolution：

domain resolution record：

2019-06-13-----2021-08-13 111.13.66.249

2019-06-13-----2021-08-13 180.163.233.104

2019-08-14-----2021-08-13 36.110.212.209

2020-06-13-----2021-08-13 180.163.233.32

2020-06-13-----2021-08-13 180.163.233.31

2021-08-13-----2021-08-13 111.206.171.51

2021-08-13-----2021-08-13 111.206.171.40

2020-06-13-----2021-01-14 111.206.59.24

2020-06-13-----2021-01-14 111.206.59.23

2019-06-13-----2019-10-03 180.163.233.77

2019-06-13-----2019-06-13 123.125.54.130