got doubt regarding caching server implementation....

[Barry Margolin]

In article <dnbhal$2klc$1 at sf1.isc.org>,
 Sanjib Das <Sanjib.Das at lntinfotech.com> wrote:

> Hi
> I have setup a local domain my.domain. & it consists of two machines...
> I configured one of them as primary server for my domain & another one
> as caching server .For both these servers I'm using BIND-9.2.4 package
> whenever I send query (using 'dig' command).....
> from the second machine (machine where the caching server is running 
> locally) first it looks into its own cache....if its available it sends 
> from there 
> itself... otherwise sends it to the primary server...
> Now say I got a SERVFAIL in the reply (for my request qname=my.domain. and 
> qtype=A)
> .... in this case I find that caching server automatically again sends the 
> same query 
> for same qtype.....
> I donno exactly why it happens like this..... 
> 
> Your comments are always valuable for me......

Didn't you just ask almost the same question in the thread titled 
"whether SERVFAIL is cached by caching server"?

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***