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Re: [Asrg] ipv6 macro expansion example in SPF specification, DNS ranges...

2011-01-21 21:44:04
that the cache would. The special strict NXDOMAIN cache for use by
DNSxL clients.

On Fri, Jan 21, 2011 at 8:11 PM, John Levine <johnl(_at_)taugh(_dot_)com> wrote:
cached NXDOMAIN suppressing subdomain lookup attempts seems like the
way to go, if one refers to a DNSWL in a SPF record.

Are you assuming that whatever does the SPF lookups remembers all of
its previous queries?

R's,
John
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