iP or domain name lookup

a9-rank.com Server iP：

Current resolution：

domain resolution record：

2021-10-16-----2021-11-04 156.239.109.75

2020-06-06-----2020-06-06 94.229.72.116

2020-06-06-----2020-06-06 162.210.196.171

2020-06-06-----2020-06-06 95.211.75.10

2019-07-16-----2019-07-16 139.198.122.64

2017-05-19-----2017-05-19 104.24.104.203

2017-05-19-----2017-05-19 104.24.105.203

2017-05-11-----2017-05-11 47.89.176.94

2017-03-06-----2017-03-06 104.25.33.27

2017-03-06-----2017-03-06 104.25.32.27