iP or domain name lookup

i1.bztcdn.com Server iP：

Current resolution：

domain resolution record：

2023-12-28-----2023-12-28 45.56.79.23

2022-05-15-----2022-05-15 46.8.8.100

2021-10-01-----2021-11-14 72.52.179.175

2021-07-25-----2021-10-01 172.67.134.10

2021-07-25-----2021-10-01 104.21.5.242

2020-12-17-----2021-06-13 172.67.146.219

2021-01-17-----2021-06-13 104.21.63.145

2020-12-09-----2020-12-17 104.27.142.128

2020-12-17-----2020-12-17 104.27.143.128

2020-10-01-----2020-12-09 172.67.180.140

2020-12-09-----2020-12-09 104.27.136.171

2020-12-09-----2020-12-09 104.27.137.171