iP or domain name lookup

mail.hecjs.com Server iP：

Current resolution：

domain resolution record：

2022-12-12-----2024-01-21 103.129.255.237

2024-01-21-----2024-01-21 45.254.48.73

2024-01-21-----2024-01-21 183.136.182.9

2024-01-21-----2024-01-21 117.147.199.41

2022-12-12-----2023-02-02 115.236.119.70

2022-12-12-----2023-02-02 45.254.48.65

2022-12-12-----2023-02-02 117.147.199.33

2022-12-12-----2023-02-02 183.136.182.1

2022-12-12-----2023-02-02 101.71.155.44

2022-12-12-----2022-12-12 112.13.121.42

2021-12-28-----2022-10-10 221.230.8.43