iP or domain name lookup

bianmincn.com Server iP：

Current resolution：

domain resolution record：

2021-01-15-----2021-01-15 154.209.215.171

2019-07-14-----2019-08-22 45.34.94.126

2018-06-24-----2018-06-24 156.232.137.183

2018-03-20-----2018-03-20 47.254.19.2

2017-12-21-----2017-12-23 23.224.17.206

2017-11-17-----2017-11-29 23.224.17.16

2017-08-20-----2017-11-03 23.224.83.10

2017-03-27-----2017-04-20 137.175.120.90

2016-12-04-----2017-03-17 173.247.228.133