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 19.290 AS36647
8.8.8.8 www.google.com 64.233.189.106 3.789 AS15169
1.1.1.1 www.microsoft.com 184.86.217.183 3.347 AS20940
208.67.222.222 www.facebook.com 157.240.15.35 3.628 AS32934
8.8.8.8 www.youtube.com 172.217.165.142 2.875
1.1.1.1 www.baidu.com 103.235.46.39 5.574 AS55967
8.8.8.8 www.twitter.com 104.244.42.193 49.819 AS13414
208.67.222.222 www.instagram.com 157.240.11.174 2.980 AS32934
74.82.42.42 www.amazon.com 104.71.49.126 3.532 AS16625
1.1.1.1 www.qq.com 59.151.129.125 3.906 AS24319
1.1.1.1 www.reddit.com 151.101.77.140 3.936 AS54113
1.1.1.1 www.naver.com 96.16.116.236 3.782 AS20940
1.1.1.1 www.bing.com 204.79.197.200 3.018
64.6.64.6 www.linkedin.com 13.107.42.14 3.683