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Webinar: "Statistical Analysis of DNS Abuse in gTLDs" (SADAG) Study

LOS ANGELES – 31 August 2017 – The Internet Corporation for Assigned Names and Numbers (ICANN) today announced that they will host an interactive webinar entitled, "The Statistical Analysis of DNS Abuse in gTLDs" (SADAG). The webinar is based on a study commissioned by the Competition, Consumer Trust and Consumer Choice Review Team (CCTRT) as part of its examination of consumer trust and effectiveness of safeguards that were built into the New Generic Top-Level Domain (gTLD) Program. In defining the parameters of the study, the CCTRT sought to measure rates of common forms of abusive activities in the domain name system, such as spam, phishing, and malware distribution. The study compares rates of these activities between new and legacy gTLDs, as well as employs inferential statistical analysis to measure the effects of Domain Name System Security Extensions (DNSSEC), domain parking, and registration restrictions on abuse rates using historical data covering the first three full years of the New gTLD Program (2014 – 2016).

Researchers from SIDN and the Delft University of Technology conducted the study.

Join the webinar to receive a briefing from the study's researchers on its methodology and findings. Attending the webinars will also allow you to provide feedback and ask clarifying questions prior to submitting your public comment on the study. This public comment period is scheduled to close on 19 September 2017. The CCTRT will consider the public comments as it works toward developing its final report and recommendations.

On 13 and 14 September 2017, the ICANN organization will host two separate sessions to accommodate the Western and Eastern Hemispheres, respectively: 14:00 - 15:30 UTC and 04:00 - 05:30 UTC (time zone support here).

Webinar Details & How to Attend

Date: 13 September 2017
Time: 14:00 - 15:30 UTC
Join via Adobe Connect
View Dial-In Information
Participant Code: 1429847649

Date: 14 September 2017
Time: 04:00 - 05:30 UTC
Join via Adobe Connect
View Dial-In Information
Participant Code: 1429847649

The webinars will be conducted in English. Recordings of the webinars will be published on the New gTLD DNS Abuse Review page here.


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Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as""icann.org"" is not an IDN."