iP or domain name lookup

ww1.btchina.net Server iP：

Current resolution：

domain resolution record：

2023-10-29-----2024-02-23 199.59.243.225

2023-07-20-----2023-10-04 199.59.243.224

2023-03-12-----2023-07-01 199.59.243.223

2022-09-23-----2023-03-28 199.59.243.222

2022-05-26-----2022-09-23 199.59.243.220

2022-09-04-----2022-09-04 199.59.243.221

2022-05-17-----2022-05-26 216.120.146.201

2021-11-07-----2022-05-17 199.59.243.200

2022-05-17-----2022-05-17 199.59.243.201

2022-03-01-----2022-03-01 199.59.240.200

2021-06-07-----2021-11-07 199.59.242.153