iP or domain name lookup

cz31.com Server iP：

Current resolution：

domain resolution record：

2026-01-23-----2026-02-01 127.0.0.1

2026-02-01-----2026-02-01 47.57.234.120

2026-01-23-----2026-01-23 47.76.242.66

2025-10-02-----2025-10-02 154.80.165.212

2023-01-26-----2023-01-26 206.119.214.154

2021-12-14-----2021-12-14 50.117.22.226

2021-04-22-----2021-04-22 136.0.140.133

2019-10-08-----2019-10-10 103.43.188.23

2017-02-02-----2017-11-25 218.247.81.155