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
64.6.64.6 www.yahoo.com 87.248.114.11 3.398 AS34010
74.82.42.42 www.google.com 142.250.140.147 3.522 AS15169
208.67.222.222 www.microsoft.com 23.37.198.101 3.842 AS20940
208.67.222.222 www.facebook.com 31.13.67.35 4.496 AS32934
1.1.1.1 www.youtube.com 172.253.62.190 3.062 AS15169
1.1.1.1 www.baidu.com 103.235.46.115 173.759 AS55967
64.6.64.6 www.twitter.com 162.159.140.229 4.061 AS13335
1.1.1.1 www.instagram.com 157.240.252.174 4.675 AS32934
9.9.9.9 www.amazon.com 13.224.242.216 3.784 AS16509
8.8.8.8 www.qq.com 43.159.109.55 11.115 AS139341
8.8.8.8 www.reddit.com 199.232.53.140 3.879 AS54113
8.8.8.8 www.naver.com 23.214.209.14 4.172 AS20940
74.82.42.42 www.bing.com 92.123.128.154 3.629 AS20940
1.1.1.1 www.linkedin.com 172.64.146.215 3.713 AS13335