iP or domain name lookup

smtp.tjutcm.edu.cn Server iP：

Current resolution：

domain resolution record：

2026-02-13-----2026-02-22 47.251.12.133

2026-02-22-----2026-02-22 139.95.4.241

2026-02-22-----2026-02-22 8.209.113.244

2026-01-27-----2026-02-21 47.251.5.146

2026-01-27-----2026-02-21 220.197.30.134

2026-01-27-----2026-02-21 111.124.200.38

2026-01-27-----2026-02-21 111.124.200.37

2026-01-27-----2026-02-21 117.135.207.38

2026-01-27-----2026-02-21 220.197.30.133

2026-01-27-----2026-02-21 117.135.207.37

2026-02-13-----2026-02-21 103.126.92.249

2026-02-21-----2026-02-21 103.126.92.253

2026-02-13-----2026-02-13 103.126.92.254

2026-01-27-----2026-01-27 103.126.92.250

2023-03-21-----2023-07-20 103.129.255.237

2023-07-20-----2023-07-20 117.147.199.43

2023-07-20-----2023-07-20 183.136.182.11

2023-07-20-----2023-07-20 45.254.48.75

2023-03-21-----2023-03-21 112.13.121.41

2023-03-21-----2023-03-21 183.136.182.4

2023-03-21-----2023-03-21 117.147.199.36

2023-03-21-----2023-03-21 115.236.119.65

2023-03-21-----2023-03-21 45.254.48.68

2023-03-21-----2023-03-21 101.71.155.41