Marco Davids (SIDN) wrote:

> Anyone any clue? I am trying to understand why some resolvers handle
> this query well, while BIND 9.7.x returns a SERVFAIL.

acl...@yellow:~$ dig +short airfrance.fr ns
webaf1.airfrance.fr.
lasvegas.airfrance.fr.
proof.rain.fr.

acl...@yellow:~$ dig +short @webaf1.airfrance.fr. www.airfrance.fr
acl...@yellow:~$ dig +short @lasvegas.airfrance.fr. www.airfrance.fr
acl...@yellow:~$ dig +short @proof.rain.fr. www.airfrance.fr

All three of these servers, however, provide NS responses:

www.airfrance.fr.       87600   IN      NS      ns2isp2.airfrance.fr.
www.airfrance.fr.       87600   IN      NS      ns2isp1.airfrance.fr.

That's not right... all three of the servers are "lame" (as you noted
from your logfile).

airfrance.fr needs to fix their delegations.

AlanC

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