iP or domain name lookup

expo.189.cn Server iP：

Current resolution：

domain resolution record：

2021-08-01-----2021-08-04 139.227.230.116

2021-08-04-----2021-08-04 112.132.33.237

2021-08-04-----2021-08-04 120.221.222.244

2021-08-04-----2021-08-04 49.7.22.214

2021-08-04-----2021-08-04 125.77.160.243

2021-08-04-----2021-08-04 175.6.49.248

2021-08-04-----2021-08-04 58.216.4.244

2021-08-04-----2021-08-04 120.241.46.244

2021-08-04-----2021-08-04 218.98.31.240

2021-08-04-----2021-08-04 58.49.196.248

2021-08-04-----2021-08-04 182.118.15.239

2021-08-04-----2021-08-04 58.216.4.240

2021-08-01-----2021-08-01 125.77.160.239

2021-08-01-----2021-08-01 111.48.68.228

2021-08-01-----2021-08-01 49.7.22.218

2021-08-01-----2021-08-01 119.188.120.239

2021-08-01-----2021-08-01 60.28.123.241

2021-08-01-----2021-08-01 42.236.90.240

2021-08-01-----2021-08-01 49.67.72.240

2021-08-01-----2021-08-01 183.240.215.226

2021-08-01-----2021-08-01 58.220.53.248

2021-08-01-----2021-08-01 36.150.116.241

2021-08-01-----2021-08-01 111.13.86.248

2021-08-01-----2021-08-01 125.74.34.241