PTR records for IPv6

Erik Kline ek at
Tue Sep 3 15:06:19 CEST 2013

On 3 September 2013 21:57, Nick Hilliard <nick at> wrote:
> On 03/09/2013 13:46, Marco Sommani wrote:
>> On 03/set/2013, at 14:38, md at Linux.IT (Marco d'Itri) wrote:
>>> On Sep 03, Mikael Abrahamsson <swmike at> wrote:
>>>> Mostly because it's on by default. Even if you configure a static
>>>> address and default gw, as soon as the system sees RAs it might
>>>> start to use SLAAC based privacy addresses for outgoing connections.
>>> This is clearly a misconfiguration.

In theory, though, someone who wanted to deliver outbound with varying
addresses for whatever reason (or who just can't be bothered to
disable the stuff) could just do something like put the entire /64
into an SPF record.  If this were, say, a network of infrastructural
servers anyway this may not be that big a deal.

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