iP or domain name lookup

email.sylu.edu.cn Server iP：

Current resolution：

domain resolution record：

2023-09-15-----2024-03-04 103.129.255.237

2024-02-01-----2024-03-04 220.197.30.137

2024-02-01-----2024-03-04 111.124.200.41

2024-02-01-----2024-03-04 117.135.207.41

2023-09-15-----2024-02-01 45.254.48.73

2023-09-15-----2024-02-01 183.136.182.9

2023-09-15-----2024-02-01 117.147.199.41

2023-09-15-----2024-01-12 103.129.255.238

2023-10-04-----2023-10-04 52.223.58.187

2023-09-15-----2023-09-15 35.71.138.126