Am 22.10.2015 um 17:41 schrieb Phil Mayers:
On 22/10/15 16:37, Reindl Harald wrote:since in a normal environment that don't matter consider in case of a caching-only nameserver in such an environment using unbound instead of named because it supports "cache-min-ttl" which is also strongly recommended on a inbound mailserver using RBL's cache-min-ttl: 600 cache-max-ttl: 10800Right, but he'll still see a slow, expired-cache case every min-ttl won't he? Unless unbound does prefetch?
onbound *does* prefetch if enabled https://www.unbound.net/documentation/unbound.conf.html prefetch: <yes or no>If yes, message cache elements are prefetched before they expire to keep the cache up to date. Default is no. Turning it on gives about 10 percent more traffic and load on the machine, but popular items do not expire from the cache
i like named for many reasons on authoritative nameservers, but for caching only unbound is way easier to maintain with more caching features
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