merging reverse zone data obtained from two different masters

Tony Finch dot at
Mon Oct 24 10:11:15 UTC 2016

blrmaani <blrmaani at> wrote:
> On Sunday, October 23, 2016 at 2:56:37 PM UTC-7, blrmaani wrote:
> >
> > We have hosts in two different zones but use same subnet. Zone1 is
> > generated by Master1 and Zone2 is generated by Master2.
> >
> > Slave1 runs BIND and would like to merge the reverses generated on
> > Master1 and Master2. How do I do this?
> I know couple of hacky way to achieve this. Just curious if anyone tried
> it ?

Probably the best way is to use RFC 2317 classless delegation. It requires
that zone1 and zone2 have different names from the normal reverse DNS

f.anthony.n.finch  <dot at>  -  I xn--zr8h punycode
North Fitzroy: Northeasterly 5 to 7 in far northwest, otherwise variable 3
or 4. Rough or very rough. Showers. Good, occasionally moderate.

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