On 3/26/13 10:10 AM, Owen DeLong wrote:
On Mar 26, 2013, at 9:39 AM, Doug Barton <do...@dougbarton.us> wrote:
On 03/26/2013 09:28 AM, Owen DeLong wrote:
On Mar 26, 2013, at 5:59 AM, Chris Adams <cmad...@hiwaay.net> wrote:
Once upon a time, valdis.kletni...@vt.edu <valdis.kletni...@vt.edu> said:
Now explain how you find a recursive nameserver that isn't listed in an NS
entry and *hasn't* been publicized someplace that Google can find it.
The same way you find open mail relays, SSH hosts with weak
user/password combos, bad WordPress installs, etc. - scan for them. If
it is open to the Internet, it will be found (or probably already has
been).
Let me rephrase the question… How do you find an open IPv6 recursive name server
that isn't listed in an NS entry and hasn't been publicized someplace that
Google can
find it?
That question was already answered ... ask the bots what their resolving name
servers are, then check to see if they are open. As IPv6 deployment increases,
the answers will increasingly include IPv6 open resolvers.
Doug
Let me again rephrase…
As a white-hat attempting to find problems to address through legitimate means,
how
do you …
passive DNS collection , e.g. many people lave large lists of resolvers
that have connected to their authoritative nameservers.
Owen
