Several hosts behind a caching resolver

Victor Sudakov vas at sibptus.ru
Sun Nov 24 17:07:11 UTC 2019


Eugene Grosbein wrote:
> 24.11.2019 23:02, Victor Sudakov wrote:
> 
> > If there are multiple recursive queries for MS domains only, do you think
> > the operator of Resolver B can tell if there are 10 or 100 MS clients
> > behind Resolver A? 
> 
> I guess so, because different Windows versions may behave differently (including erratic behaviour)
> and volume of DNS traffic may give some hints, too.
> 
> This seems as XY-problem for me :-) What is your X problem?

There is no problem, there is curiosity and a little research if an ISP
or DNS operator can nose out the number of hosts on a customer's
internal network by analyzing DNS traffic.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49 at fidonet http://vas.tomsk.ru/
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