For this reason, "stub" resolvers typically set RD=1, and only "full-service
resolvers", such as the one integrated into named (although there are
standalone ones, like Knot, Unbound, [1]), generate RD=0 queries. Full-service
resolvers are capable of taking the referrals, and using them to follo
In article ,
Harshith Mulky 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
On Fri, Oct 06, 2017 at 08:11:56AM +, Harshith Mulky 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 Recursion is supported on the server, Would the server do the
> Referral Queries and set the RA
Hello Experts,
I read this from RFC1035 about RD and RA Bits
RD Recursion Desired - this bit may be set in a query and is copied into the
response if recursion supported by this Name Server. If Recursion is rejected
by this Name Server, for example it has been configured as Authoritative Only
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