iP or domain name lookup

test.51dtts.com Server iP：

Current resolution：

domain resolution record：

2023-08-24-----2023-08-24 154.220.100.46

2020-03-05-----2020-03-05 79.124.78.105

2019-10-06-----2019-10-06 79.124.78.101

2017-08-10-----2017-08-11 117.34.14.85

2017-08-11-----2017-08-11 183.232.53.170

2017-08-10-----2017-08-10 162.159.234.182

2017-08-10-----2017-08-10 220.170.186.170

2017-08-10-----2017-08-10 112.25.91.85

2017-08-10-----2017-08-10 115.231.187.85

2017-08-10-----2017-08-10 58.211.137.85

2017-08-10-----2017-08-10 119.188.97.149

2017-08-10-----2017-08-10 124.95.191.170