iP or domain name lookup

b51.v3t1.2223.pub Server iP：

Current resolution：

domain resolution record：

2021-01-15-----2021-01-28 101.32.47.239

2021-01-15-----2021-01-28 101.32.32.85

2021-01-15-----2021-01-28 101.32.41.158

2021-01-15-----2021-01-28 101.32.40.45

2021-01-15-----2021-01-28 101.32.47.155

2021-01-15-----2021-01-28 101.32.42.107

2021-01-15-----2021-01-28 101.32.46.36

2021-01-28-----2021-01-28 101.32.47.129