iP or domain name lookup

m.wbtfirst.biz Server iP：

Current resolution：

domain resolution record：

2021-10-09-----2023-07-29 154.39.252.249

2021-10-09-----2023-07-29 154.39.252.244

2021-10-09-----2021-10-09 154.39.252.251

2021-10-09-----2021-10-09 45.15.131.164

2021-10-09-----2021-10-09 154.39.252.215

2021-10-09-----2021-10-09 154.39.252.221

2021-10-09-----2021-10-09 154.39.252.212

2021-10-09-----2021-10-09 45.15.131.168

2021-10-09-----2021-10-09 154.39.252.241

2021-10-09-----2021-10-09 154.39.252.200