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 98.137.11.163 17.906 AS36647
8.8.8.8 www.google.com 172.217.12.228 2.838 AS15169
74.82.42.42 www.microsoft.com 23.200.154.12 3.039 AS20940
208.67.222.222 www.facebook.com 157.240.15.35 3.782 AS32934
8.8.8.8 www.youtube.com 64.233.189.93 2.855 AS15169
1.1.1.1 www.baidu.com 103.235.46.39 52.184 AS55967
1.1.1.1 www.twitter.com 104.244.42.129 48.618 AS13414
1.1.1.1 www.instagram.com 157.240.13.174 4.700 AS32934
74.82.42.42 www.amazon.com 23.198.141.148 4.225 AS20940
8.8.8.8 www.qq.com 23.198.121.20 3.288 AS20940
1.1.1.1 www.reddit.com 151.101.77.140 5.208 AS54113
74.82.42.42 www.naver.com 23.200.152.227 3.963 AS20940
208.67.222.222 www.bing.com 204.79.197.200 4.165 AS8068
64.6.64.6 www.linkedin.com 13.107.42.14 4.278 AS8075