iP or domain name lookup

acn4.cn Server iP：

Current resolution：

domain resolution record：

2025-07-27-----2026-02-16 154.206.129.182

2025-03-17-----2025-03-17 91.208.104.10

2025-03-17-----2025-03-17 38.147.191.142

2023-08-24-----2023-08-24 103.205.241.185

2023-03-26-----2023-03-26 103.204.79.39

2021-04-03-----2022-01-23 103.40.249.4

2020-03-22-----2020-09-21 43.241.50.124

2020-01-25-----2020-01-25 15.164.83.206

2020-01-12-----2020-01-12 122.10.109.175

2019-06-26-----2019-10-12 122.114.212.114