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
----09/25/2022 3:00:02 pm ----
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
1.1.1.1 www.yahoo.com 98.137.11.163 27.170 AS36647
1.1.1.1 www.google.com 172.217.2.196 4.873 AS15169
208.67.222.222 www.microsoft.com 184.86.217.183 4.777 AS20940
8.8.8.8 www.facebook.com 157.240.14.35 4.256 AS32934
8.8.8.8 www.youtube.com 74.125.203.136 3.475 AS15169
9.9.9.9 www.baidu.com 103.235.46.40 37.670 AS55967
64.6.64.6 www.twitter.com 104.244.42.65 52.371 AS13414
1.1.1.1 www.instagram.com 157.240.14.174 3.806 AS32934
8.8.8.8 www.amazon.com 162.219.225.118 3.969 AS54113
208.67.222.222 www.qq.com 23.56.24.92 4.316 AS20940
74.82.42.42 www.reddit.com 199.232.45.140 38.111
1.1.1.1 www.naver.com 104.71.48.248 4.951 AS16625
64.6.64.6 www.bing.com 13.107.21.200 3.487 AS8075
1.2.4.8 www.linkedin.com 13.107.42.14 33.354 AS8075