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Invalid Top Level Domain Queries at the Root Level of the Domain Name System (R2)

RSSAC Advisory on Measurements of the Root Server System


Date IssuedDocumentReference IDCurrent Phase

15 2010 

Invalid Top Level Domain Queries at the Root Level of the Domain Name System (R2)

RSSAC Advisory on Measurements of the Root Server SystemRSSAC002SAC045

Status
colourGreen
titleClosed





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titlePhase 1 Receive
urlAdvice Process
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titlePhase 2 Understand
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titlePhase 3 Evaluate
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titlePhase 4 Implement
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titlePhase 5 Close
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titleClosed
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Description:

The SSAC recommends that ICANN promote a general awareness of the potential problems that may occur when a query for a TLD string that has historically resulted in a negative response begins to resolve to a new TLD. Specifically, ICANN should:

Study invalid TLD query data at the root level of the DNS and contact hardware and software vendors to fix any programming errors that might have resulted in those invalid TLD queries. The SSAC is currently exploring one such problem as a case study, and the vendor is reviewing its software. Future efforts to contact hardware or software vendors, however, are outside SSAC's remit. ICANN should consider what if any organization is better suited to continue this activity

RSSAC identifies and recommends an initial set of parameters that would be useful to monitor and establish a baseline trend of the root server system.

  1. The RSSAC recommends each root server operator implement the measurements outlined in this advisory.
  2. The RSSAC should monitor the progress of the implementation of these measurements.
  3. Measurements outlined in this document should be revisited in two years to accommodate changes in DNS technologies.


STATUS UPDATES

Board Updatefaltstrom19oct16)The ICANN Board New gTLD Program Committee (NGPC) resolutions on name collision adopted on 7-Oct-2013 and 30-Jul-2014 addresses the issues related to invalid Top Level Domain queries at the root level of the DNSwww.icann.org/en/groups/board/documents/resolutions-new-gtld-07oct13-en.htm; https://wwwresources/boardmaterial/resolutions-new-gtld-2014-07-30-en.As part of the 30 July 2014 Board Resolution, a Name Collision Occurrence Management Framework was also published, which can be found herefiles/name-collisionframework-30jul14ICANN has also developed materials to help IT Professionals understand and address the root cause of name collision: https://www.icann.org/resources/pages/name-collision2013-12-06-en#resources. Materials include a guide for IT departments to identify and manage the name collision risks in their networks among other measures towards that endnamecollisionmitigation01aug14
DatePhaseTypeStatus Updates
10/19/16

 

ClosedPhase ChangeThis item has been processed as much as is relevant and is considered complete; no work is outstanding from the perspective of Board Advice (note that related implementation work may have been integrated into ICANN’s ongoing operations or other initiatives).Status provided in 19 October 2016 letter from ICANN Board Chair to SSAC Chair (Advice Item is now Closed

 

Phase 5Phase UpdateICAN Board notified RSSAC of Advice closure Link: https://www.icann.org/en/system/files/correspondence/crocker-to-sinha-et-al-23jan17-en.pdf.

 

Phase 5Phase ChangeNow in Phase 5: Close

 

Phase 4Phase UpdateICANN, as operator of L-Root, has implemented the advice from v1- v3 and has advised RSSAC on the implementation. RSSAC002 data has been published at: http://stats.dns.icann.org/rssac/.

 

Phase 1Phase UpdateICANN acknowledged receipt of Advice in a letter from the Board Link: https://www.icann.org/en/system/files/correspondence/crocker-to-verd-et-al-19oct16-en.pdf.

 

Phase 1Phase UpdateRSSAC published RSSAC002: Advisory on Measurements of the Root Server System Link: https://www.icann.org/en/system/files/files/rssac-002-20nov14-en.pdf.