iP or domain name lookup

f.by521.com Server iP：

Current resolution：

domain resolution record：

2024-05-01-----2024-06-01 154.204.57.245

2023-10-24-----2024-05-01 43.228.69.153

2023-09-25-----2023-09-25 106.126.11.126

2023-08-15-----2023-08-29 122.228.8.176

2023-08-07-----2023-08-07 221.236.21.240

2023-08-07-----2023-08-07 122.228.245.84

2023-08-07-----2023-08-07 43.248.184.72

2023-08-07-----2023-08-07 220.167.103.176

2023-08-07-----2023-08-07 222.187.223.108

2023-08-07-----2023-08-07 222.187.223.91

2023-08-03-----2023-08-04 106.126.11.131