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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DNS ServerDomainIPLowest LatencyAS 20.324 AS36647 3.968 AS15169 4.162 AS20940 4.580 AS32934 3.278 AS15169 18.645 AS9808 49.414 AS13414 4.533 AS32934 4.024 AS16625 3.213 AS24319 4.902 AS54113 4.262 AS16625 3.752 AS8068 4.833 AS8075