iP or domain name lookup

a5273791717.cdn.optimizely.com Server iP：

Current resolution：

domain resolution record：

2020-08-13-----2023-07-06 23.66.35.187

2023-07-06-----2023-07-06 2.17.191.240

2023-07-06-----2023-07-06 23.203.213.71

2023-07-06-----2023-07-06 23.194.140.66

2021-11-01-----2021-11-01 23.67.128.30

2021-11-01-----2021-11-01 104.69.149.41

2021-11-01-----2021-11-01 184.50.7.150

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

2020-08-13-----2020-08-13 104.88.53.91

2020-08-13-----2020-08-13 23.54.99.159

2020-08-13-----2020-08-13 23.14.203.138

2020-08-13-----2020-08-13 23.41.35.182

2020-08-13-----2020-08-13 23.79.164.102

2020-08-13-----2020-08-13 2.19.78.85

2020-08-13-----2020-08-13 104.111.209.135

2020-08-13-----2020-08-13 23.203.214.107

2020-08-13-----2020-08-13 23.73.228.162

2020-08-13-----2020-08-13 23.2.132.95