iP or domain name lookup

lb638.com Server iP：

Current resolution：

domain resolution record：

2020-02-22-----2020-07-08 198.15.228.207

2019-07-10-----2019-08-25 209.141.38.71

2019-07-10-----2019-08-25 107.161.23.204

2019-08-25-----2019-08-25 192.161.187.200

2017-10-04-----2017-10-07 104.31.64.160

2017-10-04-----2017-10-07 104.31.65.160

2017-10-04-----2017-10-05 103.248.136.104