iP or domain name lookup

robot.itcast.cn Server iP：

Current resolution：

domain resolution record：

2022-08-09-----2022-08-09 121.29.38.197

2022-08-09-----2022-08-09 112.51.120.217

2022-08-09-----2022-08-09 124.236.18.225

2022-08-09-----2022-08-09 58.216.14.240

2022-08-09-----2022-08-09 223.109.74.228

2022-08-09-----2022-08-09 223.109.74.226

2022-08-09-----2022-08-09 42.185.156.191

2022-08-09-----2022-08-09 61.241.106.241

2022-08-09-----2022-08-09 124.236.18.220

2022-08-09-----2022-08-09 116.136.164.223

2022-08-09-----2022-08-09 121.29.38.196

2022-08-09-----2022-08-09 182.140.196.212

2022-08-09-----2022-08-09 124.236.18.222