This is the example that we measure the latency of the content server IP which resolved by the public DNS Server. The concept it simple that we measure the latency. For the further development, we will auto the measurement process by accessing the domain content header to determine the actual access processing time.The following is the measurement of the top 10 domain name for reference.

ISP: 1
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www.yahoo.com
www.google.com
www.microsoft.com
www.facebook.com
www.youtube.com
www.baidu.com
www.twitter.com
www.instagram.com
www.amazon.com
www.qq.com
www.reddit.com
www.naver.com
www.bing.com
www.linkedin.com


DNS ServerDomainIPLowest LatencyAS
64.6.64.6 www.yahoo.com 87.248.114.12 14.892 AS34010
9.9.9.9 www.google.com 142.251.116.106 21.925 AS15169
208.67.222.222 www.microsoft.com 92.123.241.137 16.961 AS20940
9.9.9.9 www.facebook.com 157.240.14.35 14.876 AS32934
9.9.9.9 www.youtube.com 142.250.113.91 13.838
8.8.8.8 www.baidu.com 103.235.46.40 230.698
74.82.42.42 www.twitter.com 104.244.42.65 13.208
64.6.64.6 www.instagram.com 157.240.14.174 15.969
74.82.42.42 www.amazon.com 13.224.242.232 16.193 AS16509
208.67.222.222 www.qq.com 23.49.167.102 14.090 AS20940
208.67.222.222 www.reddit.com 199.232.53.140 12.078
74.82.42.42 www.naver.com 173.222.8.213 12.883 AS20940
8.8.8.8 www.bing.com 104.86.110.90 12.290 AS20940
74.82.42.42 www.linkedin.com 13.107.42.14 18.251 AS8075