iP or domain name lookup

1.cstir.cn Server iP：

Current resolution：

domain resolution record：

2024-01-23-----2024-02-10 121.22.243.5

2024-01-23-----2024-02-10 222.211.73.165

2024-01-23-----2024-02-10 121.22.243.25

2024-01-23-----2024-02-10 222.211.75.241

2024-01-23-----2024-02-10 121.22.243.60

2024-01-23-----2024-02-10 222.211.75.232

2024-02-10-----2024-02-10 127.0.0.1

2024-02-10-----2024-02-10 137.220.171.111

2024-01-23-----2024-01-24 154.9.27.76

2024-01-23-----2024-01-24 117.50.200.225

2024-01-23-----2024-01-24 117.50.200.235

2024-01-24-----2024-01-24 117.50.200.211