iP or domain name lookup

banzan.us Server iP：

Current resolution：

domain resolution record：

2021-04-16-----2023-03-13 104.21.81.121

2021-04-16-----2023-03-13 172.67.161.25

2019-07-11-----2019-08-11 104.27.174.238

2019-07-11-----2019-08-11 104.27.175.238

2017-12-27-----2018-01-01 104.27.166.107

2017-12-27-----2018-01-01 104.27.167.107