iP or domain name lookup

sydney.restream.io Server iP：

Current resolution：

domain resolution record：

2021-03-20-----2021-03-20 135.90.89.172

2021-03-20-----2021-03-20 135.90.89.132

2021-03-20-----2021-03-20 130.198.100.88

2021-03-20-----2021-03-20 168.1.53.232

2021-03-20-----2021-03-20 168.1.210.165

2021-03-20-----2021-03-20 135.90.89.140

2021-03-20-----2021-03-20 135.90.89.174

2021-03-20-----2021-03-20 130.198.100.76

2021-03-20-----2021-03-20 135.90.89.131