iP or domain name lookup

dbc557.com Server iP：

Current resolution：

domain resolution record：

2019-07-10-----2019-07-25 23.110.9.48

2017-07-22-----2018-09-02 45.60.15.65

2018-09-02-----2018-09-02 221.179.46.190

2017-01-12-----2017-05-16 121.254.140.212

2017-01-12-----2017-05-16 121.254.140.205

2017-01-12-----2017-05-16 121.254.140.207

2017-01-12-----2017-05-16 121.254.140.214

2017-01-12-----2017-05-16 222.122.195.68

2017-01-12-----2017-05-16 222.122.195.8

2017-01-12-----2017-01-12 121.254.140.201