On Wed, Mar 25, 2015 at 2:39 PM, Martin Thomson <[email protected]>
wrote:

> On 25 March 2015 at 14:24, James Cloos <[email protected]> wrote:
> > Would a >> name >-a/aaaa-> address >-ptr-> same_name << trip be enough?
>
> Not really.  The PTR records are populated dynamically, so there is no
> way to be sure that they are valid for the sort of duration that I
> think this group cares about.  (Basically, these can have the same
> sort of lifetime as a DHCP lease.)
>

And indeed, I have seen several deployments where the PTRs are dynamically
populated based on DHCP.
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