PTR records for IPv6

[Holger Zuleger]

Phil Pennock wrote:
> On 2013-09-02 at 04:53 +0200, flavio-cluenet at zipman.it wrote:

> Are there any real-world addressing examples where the lowest 64 bits
> are zero but the address is of a host, not a network?  Absent that, the
> _intent_ of such an AAAA record is clear, even if DNS purists might take
> umbrage.
I think the subnet address with all 64 bits set to zero is reserved by
[1] as the subnet router anycast address.
 Holger

[1] http://tools.ietf.org/html/rfc3513#section-2.6.1
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