iP or domain name lookup

hainan.sina.cn Server iP：

Current resolution：

domain resolution record：

2023-08-30-----2026-01-20 36.51.224.44

2024-12-07-----2026-01-20 49.7.37.208

2026-01-20-----2026-01-20 116.133.8.115

2025-05-10-----2025-05-10 116.133.8.66

2024-12-07-----2024-12-07 111.13.225.187

2024-12-07-----2024-12-07 116.133.8.153

2024-12-07-----2024-12-07 106.63.15.113

2022-12-17-----2023-09-19 123.126.45.156

2022-12-17-----2023-09-19 49.7.37.16

2023-06-29-----2023-09-19 106.63.15.86

2023-06-29-----2023-09-19 111.13.225.138

2022-12-17-----2023-07-22 36.51.224.26

2023-06-29-----2023-07-22 183.232.23.230

2022-12-17-----2022-12-17 39.156.6.144