Caching Only Nameserver with Bind9?

Kevin Darcy kcd at daimlerchrysler.com
Mon Mar 22 19:57:10 UTC 2004


Jim Reid wrote:

>>>>>>"Shawn" == Shawn Laemmrich <swlaemmr at mtu.edu> writes:
>>>>>>            
>>>>>>
>
>    Shawn> I used the above, and changed the ip address ranges as
>    Shawn> appropriate (10.0.0.* network).  However, when I try to do
>    Shawn> any nslookups on a client I get:
>
>    Shawn>  *** Can't find server name for address 10.0.0.10:
>    Shawn> Non-existent host/domain
>
>    Shawn> 10.0.0.10 is my nameserver.  What am I doint wrong?
>
>Using nslookup for starters. Feed "nslookup" and "sucks" into google
>of the list archives if you need more details.
>
>Secondly, if you're using RFC1918 addresses, you should configure your
>name servers to answer for their reverse lookups. Or at the very least
>make sure your servers don't send queries for these zones to the
>internet. The root servers already get more than enough of that stupid
>and unnecessary traffic without you adding to it. So your caching only
>name server needs to serve the 10.arpa zone. Once you've done that
>you'll need to ensure the 10.arpa zone has a correct PTR record for
>10.0.0.10 or else reverse lookups for that IP address won't work.
>Repeat this for any other addresses you've used in your private 10/8
>net.
>
10.in-addr.arpa.

                                                             - Kevin




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