[CentOS] how to increase DNS reliability?
rainer at ultra-secure.de
rainer at ultra-secure.de
Thu Jul 25 12:53:48 UTC 2019
Am 2019-07-25 14:51, schrieb hw:
> Hi,
>
> how can DNS reliability, as experienced by clients on the LAN who are
> sending queries, be increased?
>
> Would I have to set up some sort of cluster consisting of several
> servers all providing DNS services which is reachable under a single
> IP address known to the clients?
>
> Just setting up several name servers and making them known to the
> clients
> for the clients to automatically switch isn't a good solution because
> the clients take their timeouts and users lacking even the most basic
> knowledge inevitably panic when the first name server does not answer
> queries.
Run a local cache (unbound) and enter all your local resolvers as
upstreams.
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