Have you seen Helpful Name Collision Mitigation Guide

All new TLDs delegated after August 18 must undergo a controlled interruption period of 90 days to help network administrators become aware of possibly malformed internal DNS configurations, before the TLD is opened up for domain registrations.

 ICANN has published a Guide to Name Collision Identification and Mitigation for IT Professionals at,


also attached.  The guide explains the problems, the mitigation efforts, and offers some instruction to IT professionals that may need to reconfigure their internal network settings.

For more information on name collisions please visit  https://www.icann.org/namecollision.


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