iP or domain name lookup

smtp.cslg.edu.cn Server iP：

Current resolution：

domain resolution record：

2021-06-27-----2024-03-12 14.22.9.228

2021-06-27-----2024-03-12 101.32.113.90

2021-06-27-----2024-03-12 14.22.3.39

2021-06-27-----2024-03-12 157.148.45.129

2021-06-27-----2024-03-12 112.60.20.192

2021-09-16-----2024-03-12 183.2.143.59

2021-11-19-----2024-03-12 112.53.42.125

2021-11-19-----2024-03-12 157.255.202.11

2021-11-19-----2024-03-12 119.147.3.196

2021-11-19-----2024-03-12 119.147.3.176

2021-11-19-----2024-03-12 14.22.3.51

2022-12-06-----2024-03-12 119.147.6.199

2021-06-27-----2023-12-03 112.90.80.126

2021-09-16-----2023-12-03 120.232.22.49

2023-02-28-----2023-12-03 124.156.190.79

2021-09-16-----2023-02-28 157.148.36.163

2021-06-27-----2022-12-05 120.232.27.164

2021-06-27-----2022-12-05 119.147.6.245

2021-11-19-----2021-11-19 109.244.196.69

2021-06-27-----2021-09-16 175.27.18.147