The root nameservers will be replaced August 1st

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The XPs allow colo servers right now (the RAs). Such name servers could
be even run on the RA servers, though I doubt that'd happen :slight_smile:

Avi

  The RS machines are a special case and have had a number of
  "special" modifications to enhance security. In general,
  we've tried to keep them directly off the exchange media.

--bill