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
1.2.4.8 www.yahoo.com 98.137.11.164 18.050 AS36647
1.1.1.1 www.google.com 108.177.97.147 2.991 AS15169
208.67.222.222 www.microsoft.com 184.86.217.183 3.008 AS20940
64.6.64.6 www.facebook.com 157.240.15.35 3.717 AS32934
1.1.1.1 www.youtube.com 172.217.12.238 2.699 AS15169
1.1.1.1 www.baidu.com 103.235.46.39 4.743 AS55967
64.6.64.6 www.twitter.com 104.244.42.129 51.974 AS13414
208.67.222.222 www.instagram.com 157.240.15.174 4.452 AS32934
1.1.1.1 www.amazon.com 13.227.254.68 4.148 AS16509
8.8.8.8 www.qq.com 59.151.129.125 3.045 AS24319
208.67.222.222 www.reddit.com 151.101.77.140 4.019 AS54113
74.82.42.42 www.naver.com 104.71.48.248 3.473 AS16625
9.9.9.9 www.bing.com 204.79.197.200 3.170 AS8068
64.6.64.6 www.linkedin.com 13.107.42.14 3.382 AS8075