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
74.82.42.42 www.yahoo.com 87.248.114.12 4.043 AS34010
208.67.222.222 www.google.com 142.250.200.4 3.376 AS15169
9.9.9.9 www.microsoft.com 23.37.198.101 3.799 AS20940
8.8.8.8 www.facebook.com 157.240.229.35 4.399 AS32934
64.6.64.6 www.youtube.com 74.125.138.136 3.438 AS15169
1.1.1.1 www.baidu.com 103.235.46.115 202.371 AS55967
1.1.1.1 www.twitter.com 162.159.140.229 4.673 AS13335
8.8.8.8 www.instagram.com 157.240.251.174 5.276 AS32934
8.8.8.8 www.amazon.com 13.224.242.216 3.899 AS16509
9.9.9.9 www.qq.com 43.159.109.55 9.423 AS139341
9.9.9.9 www.reddit.com 199.232.53.140 3.618 AS54113
1.1.1.1 www.naver.com 104.96.173.14 3.913 AS16625
74.82.42.42 www.bing.com 2.18.66.89 2.784 AS20940
8.8.8.8 www.linkedin.com 172.64.146.215 4.147 AS13335