iP or domain name lookup

www.google.com.optimizely.com Server iP：

Current resolution：

domain resolution record：

2021-09-28-----2021-10-19 103.252.115.221

2021-09-28-----2021-10-19 69.63.184.142

2021-10-01-----2021-10-19 198.44.185.131

2021-10-02-----2021-10-19 104.244.46.246

2021-10-09-----2021-10-19 108.160.172.200

2021-10-15-----2021-10-19 108.160.162.31

2021-10-19-----2021-10-19 154.85.102.32

2021-10-19-----2021-10-19 108.160.169.54

2021-09-25-----2021-10-17 185.45.6.103

2021-09-25-----2021-10-17 157.240.8.36

2021-09-25-----2021-10-17 69.171.234.29

2021-09-26-----2021-10-17 69.63.184.30

2021-09-26-----2021-10-17 88.191.249.182

2021-09-26-----2021-10-17 31.13.81.1

2021-09-27-----2021-10-17 64.13.192.74

2021-09-27-----2021-10-17 69.63.180.173

2021-09-28-----2021-10-17 104.244.46.244

2021-09-28-----2021-10-17 31.13.83.4

2021-09-29-----2021-10-17 157.240.7.34

2021-09-30-----2021-10-17 69.171.225.13

2021-10-01-----2021-10-17 31.13.64.33

2021-10-01-----2021-10-17 108.160.165.9

2021-10-01-----2021-10-17 202.160.128.96

2021-10-01-----2021-10-17 103.73.161.52

2021-10-08-----2021-10-17 69.171.229.28

2021-10-09-----2021-10-17 114.43.24.59

2021-10-17-----2021-10-17 108.160.166.137

2021-10-17-----2021-10-17 78.16.49.15

2021-10-17-----2021-10-17 69.63.181.12

2021-09-23-----2021-10-16 108.160.165.53

2021-09-25-----2021-10-16 67.15.100.252

2021-09-25-----2021-10-16 157.240.12.50

2021-09-26-----2021-10-16 4.78.139.50

2021-09-26-----2021-10-16 202.53.137.209

2021-09-26-----2021-10-16 157.240.13.8

2021-09-27-----2021-10-16 202.160.128.16

2021-09-28-----2021-10-16 108.160.167.167

2021-09-28-----2021-10-16 31.13.92.35

2021-09-30-----2021-10-16 69.171.244.15

2021-10-01-----2021-10-16 69.171.235.101

2021-10-01-----2021-10-16 128.242.240.20

2021-10-02-----2021-10-16 108.160.165.141

2021-10-03-----2021-10-16 47.88.58.234

2021-10-03-----2021-10-16 104.31.143.88

2021-10-08-----2021-10-16 69.63.186.31

2021-10-12-----2021-10-16 157.240.17.14

2021-10-16-----2021-10-16 103.252.115.165

2021-10-16-----2021-10-16 157.240.17.41

2021-10-16-----2021-10-16 104.244.46.57

2021-10-16-----2021-10-16 69.171.247.71