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ICANN is today releasing Measuring the Health of the Domain Name System [PDF, 6.07 MB]. This paper presents the findings from the 2nd Global Annual Symposium on DNS Security, Stability and Resiliency, conducted 1-3 February 2010 at Kyoto University in Kyoto, Japan. Program committee members chose to focus this year's conference on the theme of measuring the health of the DNS. As the entire Internet relies daily on the DNS, understanding its health – both at a given instant and as it changes over time – is critical for being able to reasonably predict the DNS's health outlook and to decide whether to take corrective measures. The Symposium endeavored to analyze the state of understanding DNS health, the key vital signs for the DNS and how the community might approach improving measurement and assessment of DNS health.

Note: This report is a collaborative effort and is intended to be a summation of thoughts, opinions, and ideas expressed at the Symposium; it does not represent any particular individual's or organization's opinion. The Symposium steering committee has validated this report as an accurate representation of the discussions and recommendations for further study from the Symposium.

For reference, the report of the 1st Global DNS Security, Stability and Resiliency Symposium, conducted in February 2009 at Georgia Tech University, Atlanta, Georgia, United States, is available at http://www.gtisc.gatech.edu/pdf/DNS_SSR_Symposium_Summary_Report.pdf [PDF, 502 KB].