iP or domain name lookup

mail.stu.bisu.edu.cn Server iP：

Current resolution：

domain resolution record：

2025-02-28-----2025-09-18 220.197.30.158

2025-02-28-----2025-09-18 117.135.207.47

2025-04-02-----2025-09-18 45.195.18.28

2025-04-02-----2025-09-18 45.195.18.29

2025-06-17-----2025-09-18 47.251.59.234

2025-09-18-----2025-09-18 115.236.121.126

2025-06-17-----2025-06-17 47.254.149.190

2025-02-28-----2025-04-02 45.195.24.119

2025-02-28-----2025-02-28 45.195.24.120

2025-02-28-----2025-02-28 111.124.200.44

2023-10-26-----2023-10-26 183.136.182.13

2023-10-26-----2023-10-26 45.254.48.76

2023-10-26-----2023-10-26 103.129.255.200

2023-10-26-----2023-10-26 117.147.199.44

2023-02-07-----2023-02-07 45.254.48.67

2023-02-07-----2023-02-07 117.147.199.35

2023-02-07-----2023-02-07 103.129.255.247

2023-02-07-----2023-02-07 183.136.182.3

2019-07-02-----2019-07-22 123.58.177.120