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)

