iP or domain name lookup

1adpic.teachergua.org Server iP：

Current resolution：

domain resolution record：

2024-05-31-----2024-05-31 61.160.148.90

2024-01-16-----2024-01-20 156.251.239.149

2024-01-05-----2024-01-05 156.251.239.13

2023-12-22-----2023-12-22 156.251.239.103

2023-12-02-----2023-12-02 156.251.239.183

2023-10-02-----2023-10-02 156.234.127.149

2023-09-17-----2023-09-17 156.234.127.158

2023-08-18-----2023-08-18 156.234.127.153

2023-07-13-----2023-07-13 156.234.127.102

2023-06-28-----2023-07-02 144.24.91.133