iP or domain name lookup

koopp.com Server iP：

Current resolution：

domain resolution record：

2022-10-29-----2024-03-18 156.251.128.69

2024-03-18-----2024-03-18 154.215.152.6

2017-08-24-----2018-01-23 54.255.129.159

2017-08-24-----2018-01-23 52.192.48.78

2018-01-23-----2018-01-23 67.21.83.125

2017-08-24-----2017-08-24 104.160.190.56

2017-01-09-----2017-03-31 67.198.133.204