iP or domain name lookup

mail.tsinghua.org.cn Server iP：

Current resolution：

domain resolution record：

2022-03-16-----2024-02-08 103.129.255.238

2024-02-08-----2024-02-08 220.197.30.137

2024-02-08-----2024-02-08 111.124.200.41

2024-02-08-----2024-02-08 117.135.207.41

2024-01-13-----2024-01-13 45.254.48.73

2024-01-13-----2024-01-13 183.136.182.9

2024-01-13-----2024-01-13 117.147.199.41

2022-04-26-----2023-08-10 103.129.255.237

2022-07-07-----2023-08-10 101.71.155.44

2022-07-07-----2023-08-10 115.236.119.70

2022-07-07-----2023-08-10 112.13.121.42

2022-04-26-----2023-06-28 117.147.199.33

2022-04-26-----2023-06-28 183.136.182.1

2022-04-26-----2023-06-28 45.254.48.65

2022-03-16-----2022-03-16 223.252.202.2

2019-11-20-----2021-07-18 123.58.177.239

2020-04-21-----2020-04-21 103.129.252.36

2017-03-02-----2019-11-07 123.58.178.130

2017-03-02-----2019-11-07 123.58.178.129

2017-01-19-----2017-01-22 58.83.224.38

2017-01-19-----2017-01-22 58.83.224.37