cached rr not provided to recursive clients
Ladislav Vobr
lvobr at ies.etisalat.ae
Tue Mar 2 05:27:52 UTC 2004
Mark Andrews wrote:
>>I have noticed that bind 9.2.3, albeit having the rr's in the cache as a
>>glue from parent, doesn't provide it to recursive clients, but only to
>>nonrecursive (dig +norec), in case authoritative servers are down.
>>
>>Most probably bind is trying to verify with the authoritative servers,
>>and without their reply it refuses to provided the data to but only to
>>recursive clients.
>>
>>Can someone elaborate what are the conditions/verifications/checks
>>required to provide recursive clients cached rrs'? What is the reasoning
>>behind this behavior?
>>
>>This seems to be a topic of a minor interest, since I have raised
>>several times without much success, but I think I am not the first guy
>>who dumped the cache and see the rr data there, wondering why bind
>>doesn't provide it. Are those non-responding authoritative nameservers
>>considered lame? No, not for bind9 they are not lame since it doesn't
>>log them in the lame.log...
>
>
> The cache record is glue. It came from a parent zone not the
> zone itself.
yes, and I said it in my first sentence. Should this clear my questions?
This was said to describe my situation and to get some
hints/understanding if not answers.
Ladislav
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