iP or domain name lookup

youyou4.com Server iP：

Current resolution：

domain resolution record：

2024-03-16-----2024-03-19 15.197.192.55

2023-06-26-----2023-10-27 166.88.225.100

2022-03-15-----2023-05-21 23.230.107.252

2021-12-18-----2022-01-17 208.91.197.46

2020-12-13-----2021-12-12 204.11.56.48

2020-12-05-----2020-12-06 52.128.23.153

2020-11-21-----2020-11-29 69.172.201.208

2020-11-21-----2020-11-21 199.59.242.154

2020-10-19-----2020-10-24 34.98.99.30

2020-06-21-----2020-07-16 143.92.42.180