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 98.137.11.163 17.409 AS36647
208.67.222.222 www.google.com 142.250.217.196 3.608 AS15169
1.1.1.1 www.microsoft.com 184.86.217.183 3.315 AS20940
8.8.8.8 www.facebook.com 157.240.14.35 3.611 AS32934
1.1.1.1 www.youtube.com 74.125.204.93 2.679 AS15169
9.9.9.9 www.baidu.com 103.235.46.40 37.266
1.1.1.1 www.twitter.com 104.244.42.193 55.709
1.1.1.1 www.instagram.com 157.240.14.174 2.819
208.67.222.222 www.amazon.com 99.86.145.44 3.288
1.1.1.1 www.qq.com 23.56.24.92 3.774 AS20940
208.67.222.222 www.reddit.com 199.232.45.140 3.776
208.67.222.222 www.naver.com 104.99.48.228 4.171
8.8.8.8 www.bing.com 13.107.21.200 2.867 AS8075
9.9.9.9 www.linkedin.com 13.107.42.14 38.513 AS8075