iP or domain name lookup

wjsp.fit Server iP：

Current resolution：

domain resolution record：

2021-03-13-----2021-03-13 75.2.18.233

2021-03-02-----2021-03-03 52.4.209.250

2021-03-02-----2021-03-03 18.213.250.117

2021-03-02-----2021-03-03 18.215.128.143

2021-01-02-----2021-02-07 172.67.139.138

2021-02-01-----2021-02-07 104.21.94.186

2021-01-02-----2021-01-13 104.27.186.42

2021-01-02-----2021-01-13 104.27.187.42