iP or domain name lookup

a1291990137.cdn.optimizely.com Server iP：

Current resolution：

domain resolution record：

2023-07-12-----2023-07-12 104.108.64.19

2023-07-12-----2023-07-12 23.210.98.48

2023-07-12-----2023-07-12 23.197.128.15

2023-07-12-----2023-07-12 23.194.140.66

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

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

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

2020-08-13-----2020-08-13 104.76.136.83

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

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

2020-08-13-----2020-08-13 23.9.41.169

2020-08-13-----2020-08-13 104.107.219.81

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

2020-08-13-----2020-08-13 23.36.101.13