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
8.8.8.8 www.yahoo.com 98.137.11.164 21.855 AS36647
1.1.1.1 www.google.com 108.177.97.103 15.553 AS15169
74.82.42.42 www.microsoft.com 23.200.154.12 4.910 AS20940
1.1.1.1 www.facebook.com 31.13.75.35 5.090 AS32934
74.82.42.42 www.youtube.com 74.125.203.136 14.398 AS15169
208.67.222.222 www.baidu.com 103.235.46.39 4.494 AS55967
64.6.64.6 www.twitter.com 104.244.42.65 46.669 AS13414
208.67.222.222 www.instagram.com 31.13.75.174 3.621 AS32934
1.1.1.1 www.amazon.com 13.227.254.68 3.493 AS16509
8.8.8.8 www.qq.com 184.28.35.185 2.605 AS20940
208.67.222.222 www.reddit.com 151.101.77.140 3.884 AS54113
208.67.222.222 www.naver.com 23.200.152.227 2.877 AS20940
64.6.64.6 www.bing.com 204.79.197.200 3.621 AS8068
74.82.42.42 www.linkedin.com 13.107.42.14 3.733 AS8075