Re: [apps-discuss] "finding registered domains"

[Andrew Sullivan <[e-mail]>]

On Tue, Mar 12, 2013 at 03:06:40PM -0600, J. Trent Adams wrote:
> There are times in practice when it's useful to make certain assumptions
> like "if there is no response to a given query at a FQDN, hop all the
> way to the registered domain to see what it says."  

Right.  Just to be clear, if there were _no_ response here (i.e. a
NODATA response), then that has the same semantics as the "root
target" response: nobody else is in my policy authority realm.  But,

> So, for example, I'd publish a SOPA record at "way.down.the.tree.org"
> pointing to "tree.org".  Then if what I'm looking for doesn't exist at
> "way.down.the.tree.org", I would know that the answer is at "tree.org".

yes, this is exactly right.
 
> This may actually be a bastardization of what you're ultimately trying
> to accomplish, but does seem to serve my goals with the added benefit of
> weening myself off of the public suffix list.

No, it's not a bastardization at all: it's _exactly_ what I'm trying
to accomplish.  (And now you can see why I thought that example.com to
example.net was just a free extra feature, though I see now with your
help why it is problematic.)

A

-- 
Andrew Sullivan
[e-mail]