iP or domain name lookup

a1916710121.cdn.optimizely.com Server iP：

Current resolution：

domain resolution record：

2023-07-09-----2023-07-09 2.17.191.240

2023-07-09-----2023-07-09 23.194.140.66

2023-07-09-----2023-07-09 23.203.213.71

2023-07-09-----2023-07-09 23.54.245.152

2023-03-04-----2023-03-04 23.53.196.155

2023-03-04-----2023-03-04 104.71.144.50

2023-03-04-----2023-03-04 23.5.3.36

2023-03-04-----2023-03-04 23.198.138.158

2023-03-04-----2023-03-04 23.13.185.121

2023-03-04-----2023-03-04 104.94.56.149

2023-03-04-----2023-03-04 23.194.233.99

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 23.66.35.187

2020-08-13-----2020-08-13 173.223.170.172

2020-08-13-----2020-08-13 23.192.86.210

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