On 2026-09-17 18:31:16 +0200, Vincent Lefevre wrote:
> On 2026-09-16 11:39:22 +0200, Marco Moock wrote:
> > Am 16.09.26 um 05:10 schrieb Vincent Lefevre:
> > >          enable-cache            hosts           yes
> > >          positive-time-to-live   hosts           3600
> > >          negative-time-to-live   hosts           20
> > 
> > Ok, that looks fine.
> > But be aware that if the faulty DNS server gives you back an error,
> > it will be cached for 20 seconds.
> 
> No, this is cached for much more than 20 seconds.

Actually, only before the "options no-aaaa" line was added to the
/etc/resolv.conf file. After it was added (and before the nameserver
lines were changed), the issue with missing IPv4 address quickly
disappeared when it occurred (less than 20 seconds).

-- 
Vincent Lefèvre <[email protected]> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / Pascaline project (LIP, ENS-Lyon)

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