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 19.290 AS36647 3.789 AS15169 3.347 AS20940 3.628 AS32934 2.875 5.574 AS55967 49.819 AS13414 2.980 AS32934 3.532 AS16625 3.906 AS24319 3.936 AS54113 3.782 AS20940 3.018 3.683