iP or domain name lookup

a279547401.cdn.optimizely.com Server iP：

Current resolution：

domain resolution record：

2023-07-05-----2023-07-15 23.203.213.71

2023-07-15-----2023-07-15 88.221.188.193

2023-07-15-----2023-07-15 23.54.245.152

2023-07-15-----2023-07-15 23.47.99.124

2021-04-01-----2023-07-05 2.17.191.240

2023-07-05-----2023-07-05 23.15.147.149

2023-07-05-----2023-07-05 23.194.140.66

2021-04-01-----2021-04-09 23.74.210.203

2021-04-04-----2021-04-09 23.45.100.179

2021-04-09-----2021-04-09 104.125.36.118

2021-04-04-----2021-04-08 23.50.39.140

2021-04-08-----2021-04-08 104.69.145.169

2021-04-01-----2021-04-03 104.93.148.226

2021-04-03-----2021-04-03 23.66.246.235

2021-04-02-----2021-04-02 125.56.229.14

2020-08-13-----2020-08-13 23.10.0.247

2020-08-13-----2020-08-13 23.76.94.168

2020-08-13-----2020-08-13 23.66.35.187

2020-08-13-----2020-08-13 104.102.151.86

2020-08-13-----2020-08-13 104.85.205.135