how to setup revdns for /16 subnet

[Matus UHLAR - fantomas]

On 28.07.08 14:20, Tomasz Pajor wrote:
> > On 28.07.08 13:07, Tomasz Pajor wrote:
> > > How can I setup a revdns for a /16 subnet?
> > > Subnet is split to 1x /17 2x /18.
> 
> > what do you mean split? are they 3 different ranges you got from your RIR or
> > is that private subnet
> 
> I've got a /16 and it will be split into 3 subnets, and I want to create a
> separate revdns zone for each one.

create /16 reverse zone (b.a.in-addr.arpa), ask for delegatin of it, and
split it to /24's. It's not easy to split to zones for other ranges.

> > > Do I need to create a separate zone file for each class
> > > (1.1.x.y.in-addr.arpa, 1.10.x.y.in-addr.arpa etc.) or can I create three
> > > zone files for each subnet and place PTR records there?
> > 
> > You can create reverse zone for /16 (b.a.in-addr.arpa) or /24
> > (c.b.a.in-addr.arpa). It's easier to mainsain smaller files (256 reverse
> > zones for /24) but it's probably easier to register reverse for /16 if
> > that's public address space.
> 
> That's a public address space.
> I found an rfc (http://www.rfc-archive.org/getrfc.php?rfc=4183) i tried to do as it says but it won't work :/

that RFC seems to be irelevant here.

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