iP or domain name lookup

mail.jlbtc.edu.cn Server iP：

Current resolution：

domain resolution record：

2025-11-20-----2026-02-01 220.197.30.138

2025-11-20-----2026-02-01 47.251.114.68

2025-11-20-----2026-02-01 117.135.207.42

2025-11-20-----2026-02-01 111.124.200.42

2026-01-17-----2026-02-01 103.126.92.253

2025-11-17-----2025-11-20 103.126.92.254

2025-11-17-----2025-11-17 47.251.8.173

2025-11-17-----2025-11-17 47.254.150.209

2025-11-17-----2025-11-17 139.95.8.252

2024-09-24-----2024-09-24 220.197.30.137

2024-09-24-----2024-09-24 111.124.200.41

2024-09-24-----2024-09-24 117.135.207.41

2023-04-25-----2023-04-25 103.129.255.237

2023-04-25-----2023-04-25 183.136.182.1

2023-04-25-----2023-04-25 117.147.199.33

2023-04-25-----2023-04-25 45.254.48.65

2023-04-25-----2023-04-25 115.236.119.70

2023-04-25-----2023-04-25 101.71.155.44

2023-04-25-----2023-04-25 112.13.121.42