iP or domain name lookup

ck.essy.cn Server iP：

Current resolution：

domain resolution record：

2021-01-21-----2021-01-21 113.65.33.85

2021-01-18-----2021-01-18 113.66.231.54

2021-01-14-----2021-01-14 113.66.230.48

2020-12-18-----2020-12-18 14.145.23.189

2020-12-18-----2020-12-18 113.66.230.203

2020-12-11-----2020-12-11 113.65.33.218

2020-11-12-----2020-11-12 113.66.231.0

2020-11-06-----2020-11-06 113.66.231.185

2020-08-13-----2020-08-14 14.145.23.82

2020-08-14-----2020-08-14 113.65.10.146

2020-07-19-----2020-07-19 59.41.69.86