Migrating DNS servers, need advice on hardware

Barry Margolin barmar at alum.mit.edu
Sat Sep 19 05:35:54 UTC 2009

In article <mailman.537.1253337654.14796.bind-users at lists.isc.org>,
 Kaya Saman <SamanKaya at netscape.net> wrote:

> >
> > In private email, he told me he has 59 forward and reverse records in 
> > the internal view, and 22 of each in the external view.
> >
> > This is nothing.  A 10-year-old Pentium should be able to handle this 
> > without breaking a sweat.
> >
> >   
> Thanks Barry, as I did mention in the beginning it is a home lab setup 
> for me to learn about network services and infrastructure a little so 
> that when I do get to industry I understand the basics and at least have 
> junior admin capabilities.
> But still I will be looking for a new machine so probably what I will do 
> is grab a Sun Fire X2250 single socket quad core Xeon with 2GB of memory 
> so that I can either use as virtualized primary and secondary or 
> alternatively run other services such as web server, mail server etc on top!

My point was that this is such a trivial DNS server that you can use 
whatever you want.  And running it on the same machine as other services 
should be no problem.

> How can observer the query count? Is there a command or table or 
> something or is it just how many hits the systems gets on port 53 
> identified from some form of logging software?

BIND logs hit statistics periodically to syslog, and you can use "rndc 
stats" to append statistics immediately to a file.  See the BIND manual 
for details.

Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***

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