iP or domain name lookup

51c3.cn Server iP：

Current resolution：

domain resolution record：

2024-04-08-----2025-08-05 38.12.103.215

2022-12-11-----2022-12-11 45.43.203.94

2022-01-20-----2022-01-20 154.204.197.171

2021-05-14-----2021-05-14 168.206.184.105

2019-09-30-----2019-10-26 209.40.106.44

2019-07-17-----2019-07-17 139.162.66.105

2017-01-08-----2017-01-08 122.190.3.130

2017-01-08-----2017-01-08 42.236.94.224

2017-01-08-----2017-01-08 60.205.18.5

2017-01-08-----2017-01-08 116.31.127.130

2017-01-08-----2017-01-08 162.159.210.82