slave: WARNING: recursion requested but not available

Reindl Harald h.reindl at thelounge.net
Fri Jun 6 21:41:52 UTC 2014



Am 06.06.2014 20:20, schrieb Kevin Darcy:
> On 6/6/2014 7:35 AM, Reindl Harald wrote:
>> Am 06.06.2014 13:28, schrieb Matus UHLAR - fantomas:
>>> On 06.06.14 13:13, Reindl Harald wrote:
>>>> why does in case of asking the slave always come a
>>>> "WARNING: recursion requested but not available"
>>>> even if you dig a A-record he is authoritative?
>>> because you request recursion and the server does not provide it.
>>>
>>> use "dig +norecurse" not to request recursion
>> i am asking a auth name server for it's own domain
>> where and why do i request recursion in that case?
> dig can't read your mind and thus know what you want to emulate. For most queries issued via dig, either a) the
> user wants to emulate a stub resolver, or b) the RD flag doesn't matter either way. That's why RD=1 is the default.
> The +norecurse flag -- setting RD=0 -- is one of the ways you tell dig to emulate an iterative resolver when it
> composes its query. An even better emulation includes setting a reasonable buffer size via EDNS0, since most modern
> iterative resolvers do that too.

thanks

i will make a depper look and built some tiny
web-interface in our admin-backend  to enter
a domain and some nice drop-downs combined
with whois :-)

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