Differences Between Recursion Desired and Recursion Available
barmar at alum.mit.edu
Fri Oct 6 16:47:11 UTC 2017
In article <mailman.714.1507277541.702.bind-users at lists.isc.org>,
Harshith Mulky <harshith.mulky at outlook.com> wrote:
> What I am not able to understand is, What would happen when resolver does not
> set Recursion Desired bit in the query it sends?
If RD is not set, the server should simply not recurse. It answers with
whatever it has in its cache or authoritative data. If it has the
answer, it sends that; otherwise, if it has referral data, it sends that.
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