iP or domain name lookup

821.com Server iP：

Current resolution：

domain resolution record：

2024-06-10-----2024-09-16 185.53.177.51

2024-09-12-----2024-09-16 104.247.81.51

2023-10-15-----2024-06-14 199.59.243.225

2023-08-14-----2023-09-25 199.59.243.224

2023-03-16-----2023-07-11 199.59.243.223

2023-01-21-----2023-04-03 199.59.243.222

2022-07-07-----2022-07-24 199.59.243.220

2021-11-13-----2022-05-23 199.59.243.200

2022-05-23-----2022-05-23 216.120.146.201

2022-01-31-----2022-01-31 216.120.146.200

2020-11-11-----2021-11-13 199.59.242.153

2019-05-04-----2019-08-22 199.59.242.151