iP or domain name lookup

sir.aff001.net Server iP：

Current resolution：

domain resolution record：

2023-03-22-----2024-04-01 66.29.136.78

2023-12-04-----2024-03-24 223.75.236.241

2023-12-12-----2023-12-12 156.251.239.186

2023-12-04-----2023-12-04 156.251.239.188

2023-02-25-----2023-03-13 38.53.96.19

2023-02-16-----2023-02-21 154.220.19.163

2023-02-21-----2023-02-21 162.214.234.190

2022-12-30-----2023-02-03 162.214.234.132

2021-12-24-----2021-12-24 43.135.23.22

2021-12-24-----2021-12-24 43.155.112.147