iP or domain name lookup

jian14.com Server iP：

Current resolution：

domain resolution record：

2021-08-08-----2023-03-19 121.41.130.134

2021-02-19-----2021-04-12 8.210.110.71

2020-07-08-----2021-01-02 58.211.137.140

2021-01-02-----2021-01-02 42.236.94.140

2021-01-02-----2021-01-02 61.241.118.4

2021-01-02-----2021-01-02 150.138.151.4

2021-01-02-----2021-01-02 221.178.57.4

2020-07-08-----2020-07-08 125.39.174.140

2020-07-08-----2020-07-08 122.190.3.140