iP or domain name lookup

topcyb.com Server iP：

Current resolution：

domain resolution record：

2021-06-26-----2021-07-22 115.29.142.128

2020-08-03-----2021-01-27 39.97.165.34

2019-07-05-----2019-07-11 47.104.5.64

2017-05-21-----2017-05-21 210.14.128.219