iP or domain name lookup

ttff.xi51.cn Server iP：

Current resolution：

domain resolution record：

2024-01-30-----2024-04-23 154.13.4.205

2024-01-30-----2024-04-23 103.205.254.125

2024-04-05-----2024-04-23 154.13.4.214

2024-04-23-----2024-04-23 111.173.117.21

2024-03-02-----2024-03-02 43.142.147.186

2024-01-08-----2024-01-08 123.206.122.24