BIND Authorative forwarding caching server

Brad Knowles brad at
Fri Nov 4 23:52:43 UTC 2005

At 3:13 PM -0800 2005-11-04, dan at wrote:

>                                                                  Rather
>  than having many DNS servers, I was hoping to have some
>  caching/forwarding slaves that all forward to a couple of masters, so
>  that each slave wont need it's own extenal database.

	BIND can serve data in one of two ways -- as an authoritative 
server, or as a caching server.  Either way, you've got some sort of 
database that you're operating from.

	Your caching resolvers are presumably going to serve data from a 
lot of domains other than the ones that you own yourself.  What's 
wrong with having them cache the data from your own servers?  If 
there is a problem with caching the data from your own servers, then 
why not set the TTLs really low?

Brad Knowles, <brad at>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
     Assembly to the Governor, November 11, 1755

   SAGE member since 1995.  See <> for more info.

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