reverse A record for IPv6 network?

Paul Vixie vixie at
Sun May 21 18:54:44 UTC 2006

Karl Auer <kauer at> writes:

> At present, we put an A record in the reverse zone file for a network,
> mapping the network address to the network mask, expressed as a dotted
> quad. Something like this:
> 3000 in a

you mean like RFC 1101?

> People find it mildly useful to be able to use dig to get the right
> network mask. We do the same thing for subnets within networks.
> What, if anything, is the convention with IPv6?

nobody has BIS'd RFC1101 to cover IPv6 as far as i know.
Paul Vixie

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