root hints operation

[Mark Andrews]

In message <564BA3E3.9060008 at hireahit.com>, Dave Warren writes:
> On 2015-11-16 18:09, Grant Taylor wrote:
> > It's my understanding that ALL of the root servers would have to 
> > change all of their addresses at the same time for DNS to be impacted. 
> 
> Or, the IP formerly used as a root server could turn malicious and start 
> offering an alternate response. This would only impact resolvers that 
> had outdated root hints, and also happened to try that particular IP 
> first, but it's at least a theoretical risk.

Which is why those addresses get held back from reassignment.  It is a
known risk that is mitigated.
 
> -- 
> Dave Warren
> http://www.hireahit.com/
> http://ca.linkedin.com/in/davejwarren
> 
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org