iP or domain name lookup

secure.optus.com.au Server iP：

Current resolution：

domain resolution record：

2023-08-22-----2023-08-22 3.106.64.121

2023-08-22-----2023-08-22 54.79.137.246

2023-08-22-----2023-08-22 3.24.94.228

2023-07-17-----2023-07-24 52.63.17.235

2023-07-24-----2023-07-24 54.66.254.154

2023-07-24-----2023-07-24 54.79.57.205

2023-07-17-----2023-07-17 54.79.249.216

2023-07-17-----2023-07-17 3.104.250.115

2019-11-23-----2019-12-15 52.64.5.55

2019-11-23-----2019-12-15 3.105.120.193

2019-12-13-----2019-12-13 13.237.6.120

2019-07-16-----2019-07-16 52.62.247.59

2019-07-16-----2019-07-16 54.79.31.252

2019-07-16-----2019-07-16 54.79.97.0

2018-04-20-----2018-04-20 72.52.13.104