iP or domain name lookup

cn13.af101.sbs Server iP：

Current resolution：

domain resolution record：

2024-04-17-----2024-05-29 20.255.210.63

2024-03-06-----2024-04-25 20.255.40.144

2024-03-06-----2024-03-06 4.191.74.180

2024-01-16-----2024-01-16 20.2.49.151

2024-01-16-----2024-01-16 20.255.216.110

2024-01-11-----2024-01-11 20.255.206.179

2024-01-11-----2024-01-11 156.251.239.178

2024-01-02-----2024-01-02 156.251.239.103

2024-01-02-----2024-01-02 52.246.128.250

2024-01-02-----2024-01-02 20.239.122.81

2023-12-18-----2023-12-18 156.251.239.182

2023-12-18-----2023-12-18 20.24.232.192

2023-12-18-----2023-12-18 20.187.160.91

2023-10-18-----2023-10-18 156.234.127.188

2023-10-18-----2023-10-18 20.255.124.151