Re: [dmarc-ietf] What happens for org and PSD lookups when you are already above the PSL boundary?

Scott Kitterman <sklist@kitterman.com> Fri, 19 April 2019 16:15 UTC

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From: Scott Kitterman <sklist@kitterman.com>
To: dmarc@ietf.org
Date: Fri, 19 Apr 2019 12:15:42 -0400
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Subject: Re: [dmarc-ietf] What happens for org and PSD lookups when you are already above the PSL boundary?
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On Friday, April 19, 2019 09:11:45 AM Kurt Andersen wrote:
> On Fri, Apr 19, 2019 at 8:44 AM Scott Kitterman <sklist@kitterman.com>
> 
> wrote:
> > I took a look at the non-comment content of the public portion of the PSL
> > to
> > get an idea of the scope of this problem.  Here's the distribution of
> > lengths
> > of public suffixes:
> > 
> > one: 3077
> > two: 3821
> > three: 1986
> > four: 3
> > 
> > None longer than that, unless I screwed up my script.
> 
> While it may have changed since the days of DBOUND, I recall that there was
> at least one hierarchy which had a public --> private --> public -->
> private double transition which could make for longer names.

OK.  I don't think that changes the analysis as long as all the public 
components are listed.

Scott K