iP or domain name lookup

yy9.us Server iP：

Current resolution：

domain resolution record：

2024-02-11-----2024-04-14 104.21.2.145

2024-02-11-----2024-04-14 172.67.129.79

2023-03-17-----2023-04-21 213.227.149.193

2023-04-20-----2023-04-21 173.208.96.44

2023-04-21-----2023-04-21 213.227.149.208

2023-01-02-----2023-04-20 173.208.96.42

2023-04-20-----2023-04-20 213.227.149.234

2023-02-27-----2023-03-17 173.208.96.46

2023-01-02-----2023-03-14 213.227.149.211

2023-03-14-----2023-03-14 173.208.96.43

2023-02-27-----2023-02-27 213.227.149.201

2022-10-09-----2022-10-10 103.224.212.222

2022-03-11-----2022-04-08 75.2.18.233

2021-07-21-----2022-03-11 166.88.19.181

2021-07-21-----2022-03-11 68.68.98.160

2021-07-21-----2022-02-13 166.88.19.180

2021-07-12-----2021-07-19 35.169.225.248

2021-07-12-----2021-07-19 34.202.122.77

2021-07-19-----2021-07-19 52.0.7.30

2021-05-27-----2021-06-25 166.88.19.116