iP or domain name lookup

pusher.com Server iP：

Current resolution：

domain resolution record：

2023-03-18-----2024-06-10 44.210.78.58

2024-04-15-----2024-06-10 3.235.245.94

2024-04-15-----2024-04-15 44.221.49.192

2022-04-23-----2023-10-21 3.83.148.183

2022-04-23-----2023-01-10 3.236.212.250

2018-03-10-----2021-12-15 34.201.136.193

2018-03-10-----2021-12-15 34.239.164.4

2017-04-11-----2017-04-21 54.242.169.140

2017-04-11-----2017-04-21 54.167.40.124