Some dns recursive resolution issues ..

vincent.blondel at ing.be vincent.blondel at ing.be
Mon Oct 20 09:21:49 UTC 2008


 
>> Last times I got this problem with .., ugc.fr and now this moring I
>> also get the same problem with climair.be.
>
>There are many wrong things with climair.be. For instance, they
>announce three name servers but there are actually only two distinct
>IP addresses and apparently in the same room. So, any network glitch
>and you get a SERVFAIL.
>

okay I see LONDON.NS.DNS.be announces nameservers ns2.dns7947.net. and
ns.dns7947.net. but ns2.dns7947.net announces ns.climair.be.
ns.dns7947.net. and ns2.dns7947.net. 

This is not okay but is this really an issue because at this time my dns
already received the right NS records from .be nameservers ??

On the other hand, I also had this same problem with ugc.fr and still
another one but I do not remember it at this time.

Finally, just a little detail, if my dns device does not get a positive
answer from first NS RR received, does he not have to try on the other
ones ??

>So, it is possible it is not your fault at all...
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