iP or domain name lookup

mcustudy.com Server iP：

Current resolution：

domain resolution record：

2024-02-10-----2024-02-13 45.120.184.130

2022-08-31-----2023-10-09 43.154.81.192

2021-09-26-----2021-09-26 154.31.20.65

2021-06-27-----2021-06-27 101.32.34.51

2020-10-30-----2020-12-16 103.97.176.136

2019-11-25-----2019-11-25 47.74.188.154

2019-07-12-----2019-07-12 38.143.3.12

2016-12-05-----2016-12-21 104.24.117.121

2016-12-05-----2016-12-20 104.24.116.121