Reverse Zone CIDR

Tony Finch dot at
Wed May 25 09:47:34 UTC 2016

Jonathan Del Campo <jdc at> wrote:
> We are trying to create a zone for a /23 subnet (, but we
> can't get the reverse zone working.

What error messages do you get in your logs? Any other symptoms of
"not working"?

> I don't know if the naming convention is correct ( 0-23 vs 0/23 ) ?

There are a number of conventions in common use. I recommend 0-127 in this

f.anthony.n.finch  <dot at>  -  I xn--zr8h punycode
German Bight: Cyclonic 4 or 5, occasionally 6 in north. Moderate, occasionally
rough in north. Fog patches and occasional rain. Moderate, occasionally very

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