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Open Resolver Problems
- Subject: Open Resolver Problems
- From: jared at puck.nether.net (Jared Mauch)
- Date: Tue, 26 Mar 2013 19:13:43 -0700
- In-reply-to: <CAEmG1=oXXwHObBcBaRTFTj9-uyq_dFfB4j63LAmKp8Y4hdT+Wg@mail.gmail.com>
- References: <[email protected]> <[email protected]> <CAEmG1=oXXwHObBcBaRTFTj9-uyq_dFfB4j63LAmKp8Y4hdT+Wg@mail.gmail.com>
On Mar 26, 2013, at 7:04 PM, Matthew Petach <mpetach at netflight.com> wrote:
> On Tue, Mar 26, 2013 at 6:06 PM, John Levine <johnl at iecc.com> wrote:
>>> As a white-hat attempting to find problems to address through legitimate means, how
>>> do you ?
>>
>> You make friends with people with busy authoritative servers and see
>> who's querying them.
>
> I'm confused. Don't most authoritative servers have to
> answer to just about anyone in order to be useful?
If you give the same answer 15x to the same person in a few seconds one can possibly infer they aren't a caching resolver or are broken. Either way you can think about ignoring them for a few with dampening or similar.