Reverse records in /22 network

/dev/rob0 rob0 at gmx.co.uk
Thu Mar 19 17:58:57 UTC 2015


I wrote:
> It would be simpler for Brian to just take the whole /16 zone, 
> 57.10.in-addr.arpa, unless other parts of his extended internal 
> network are using those addresses.  (And in that case, delegation 
> should have been done.)

On Thu, Mar 19, 2015 at 04:55:33PM +0000, Cuttler, Brian (HEALTH) wrote:
> That though had crossed my mind. Unfortunately everything is a 
> retro-fit and other class-C address ranges are in use, often in 
> other buildings, certainly in other vlans.
> 
> I should use new "file" for each of the 4 class-C, or can I use one 
> file and dhcp/dns will add "origin" statements as needed?

named will need separate zone statements, with separate files, for 
every zone you will use.  However, with a correct SOA MNAME, as Simon 
pointed out, the nsupdate will know where to go.

You can start out with one file and make four copies of it: just the
SOA & NS records.
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