iP or domain name lookup

cs.dukekj.vip Server iP：

Current resolution：

domain resolution record：

2021-07-17-----2021-10-15 34.87.121.2

2021-05-02-----2021-05-02 60.217.246.23

2021-05-02-----2021-05-02 163.181.33.212

2021-05-02-----2021-05-02 221.231.81.219

2021-05-02-----2021-05-02 61.172.205.218

2021-05-02-----2021-05-02 222.222.88.85

2021-05-02-----2021-05-02 125.37.206.223

2021-05-02-----2021-05-02 221.181.200.210

2021-05-02-----2021-05-02 223.111.24.87

2021-04-27-----2021-04-27 172.67.200.221

2021-04-27-----2021-04-27 104.21.13.172