On Tuesday, December 14, 2010 03:21:57 pm S Mathias wrote:
1) where does a local caching-nameserver get's it's
information, about dns?
cat /etc/resolv.conf
nameserver 127.0.0.1
nameserver 8.8.8.8
The caching nameserver won't use /etc/resolv.conf as far as I know. The way a
caching nameserver finds about domain names is by asking the internet root
servers. When you configure your caching ns you need to create a zone of type
"hint" which will usually point to a file that contains the 13 root servers.
I recommend you spend some time trying to understand how the DNS system works
before actually tryng to work with any implementation.
so if i want information about
foo.com, then if it's not cached,
i ask the
local caching-dns-server. it doesn't know, what is
foo.com. so what does
it do? it asks the second name server? the 8.8.8.8?
No. Check above answer.
2) i just can't find where could i set that what is the largest
cache size
of the local dns server.
Do a Google search on: bind max-cache-size
3) can i flush the dns cache? restart named?
rndc flush
--
Jorge