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 17.409 AS36647 3.608 AS15169 3.315 AS20940 3.611 AS32934 2.679 AS15169 37.266 55.709 2.819 3.288 3.774 AS20940 3.776 4.171 2.867 AS8075 38.513 AS8075