On 07/12/2006, at 1:14 AM, Mikkel L. Ellertson wrote:
There is a bit more to it then that, but that is the basics. How
long your local name server will keep the information is controlled
by several things. It will not keep it over a reboot,
It will, if setup that way. It is trivial to dump the BIND cache to a
file on shutdown and load that file on restart.
and most DNS
entries have a TTL value.
All DNS records have a TTL.
(just a couple of minor corrections)
Apart from that, I found that a local caching-only name server is
particularly useful on mail servers, as well as any server that is
set up to write hostnames (rather than IP addresses) to its logs.
For a client-only box you'll get by with nscd.
Cheers
Steffen.
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