Some hints on DNS config?

Kevin Darcy kcd at
Wed Jun 29 22:35:11 UTC 2005

Kimi Ostro wrote:

>Hello list,
>I have been playing around with BIND for sometime now and have a
>"nice" caching/forwarder + authorative nameserver setup, hence you can
>probably see my problem?
>So now that I have some spare time, I want/need to spit this up to
>something like:
> {Caching-Forwarder}
>      \      /
> {Master}   /
>    |   \  /
>    | {Slave}
>    |
> {DHCP-Server}
>My idea being that all the clients contact the slave for all/most of
>the name resolution. One thing to mix this a little further, will be
>Dynamic-DNS coming from my DHCP server which I guess should modify
>certain records on the master.
>I was reading and was a
>little stumped on:
>* "Your named.conf file should contain a hint for the root zone, a
>master zone for 0.0.127.IN-ADDR.ARPA, as well as master zones for any
>I don't quite get the reasoning behind this?
What part don't you get? The "hints" file is required by an iterative 
resolver for root-zone information (it needs to know, at a minimum, 
about the root zone, if it is to have any hope of following the 
delgations down from there to resolve other names). The zone (or or other variants) 
is not strictly necessary, but a nice convenience so that the box can 
resolve its own loopback address to something reasonable.

                                             - Kevin

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