On Fri, Oct 25, 2019 at 09:11:31PM +0100, Simon Kelley wrote:
> On 25/10/2019 20:37, Nate Collins wrote:
> > Hello,
> > 
> > I was wondering if it's possible to specify different cache sizes for
> > different servers in dnsmasq.conf (or outright disable caching for one
> > server). For example, if two upstream nameservers were configured -
> > a local server which updates DNS records quickly, where you would
> > want little or no cache as to get the most up-to-date records, and
> > Google's DNS, for which you would want a larger cache as to not be
> > querying it constantly.
> > 
> > I didn't see anything obvious in the manpage or related wiki articles,
> > so I thought I'd ask here.
> > 
> 
> The rate at which changes get propagated through the DNS depends on the
> time-to-live values associated with each domain, and is not (or at least
> shouldn't be ) controlled by which server is used. Similarly dnsmasq
> caching honours TTL values, so if the domain wants you to have
> up-to-date records, dnsmasq will not keep things in the cache for a
> long time.
> 

And with dnsmasq being the local DNS plus DHCP server,
it does have _the_ most up-to-date records.


I do hope it does answer the question of the original poster.
If not, should o.p. say so. Preferable with the idea behind
the question.


Groeten
Geert Stappers
-- 
Leven en laten leven

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