>
> Recently someone posted a similar questions, but I didn't see any
> replies.
>
> I am very familiar with bind but am having problems setting up DNS with
> subnetted class C address. I basically want to have an authoritative
> name server for mydomain.net which consits of a class C network, e.g.,
> 192.168.145.128 and a subnet mask of 255.255.255.192.
>
> I have no problems when I configure my DNS for say 192.168.145.0. But
> cannot get the forward or reverse lookup to work when I use the
> 192.168.145.128 network.
>
> I do have OREILLEY's lates DNS and Bind book, but can't find any thing
> similar to my situation
>
Look at RFC 2317, "Classless IN-ADDR.ARPA delegation". It describes a
method of splitting zones by extending the in-addr.arpa tree downwards
by using the first address and network mask length, designating zone,
and adding CNAMEs to redirect address lookup down the tree.
That only applies if your ISP is setup to delegate authority for your
subnet. Forward lookup should be no problem for your subnet (assuming
your ISP designates authority for your domain to your server).
Reverse lookup requires a new zone that you control or some way to
changing your ISPs DNS records.
- Ian
--
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