Should DNS be on same server as webserver?
jerrymc at msu.edu
Mon Jul 13 18:17:42 UTC 2009
On Mon, Jul 13, 2009 at 12:36:42PM -0400, John Almberg wrote:
> The other day, a FreeBSD 'expert' told me that it is important to
> have the DNS server for a domain on the same server as the domain's
> web server. Supposedly, this saves doing tons of DNS look ups over
> the network. Instead, they are done locally.
> This makes sense to me, but I wonder if the performance difference is
> really that significant?
sounds like someone who does not understand the network.
In fact, it is possibly even better for them to be on different
machines. This would be for security reasons.
Anyway, any DNS lookup results are normally cached on the local machine
for some period of time (set by the nameserver).
> -- John
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