iP or domain name lookup

f.hadts.net Server iP：

Current resolution：

domain resolution record：

2019-08-14-----2020-02-12 116.196.125.210

2020-02-12-----2020-02-12 180.76.246.48

2017-12-01-----2017-12-09 170.178.171.88

2017-12-01-----2017-12-01 127.8.155.189

2017-12-01-----2017-12-01 47.90.92.56