Open Resolver Dataset Update
Tom Laermans
tom.laermans at phyxia.net
Mon Apr 8 07:08:41 UTC 2013
On 7/04/2013 19:46, Jared Mauch wrote:
> I've continued to update my dataset originally posted about two weeks ago. Please take a moment and review your CIDRs which may be running an open resolver.
>
> I've exposed one additional bit in the user-interface that may be helpful. Some DNS servers will respond with RCODE=0 (OK) but not provide recursion. nearly 90% of the servers in the database provide recursion.
What is the rationale behind listing servers not providing recursion on
a list of open resolvers?
As far as I know, responding either NOERROR or REFUSED produces packets
of the same size.
Tom
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