Hi,

>> I’d like to trust the signed portion of DNS, and build security systems on 
>> top of that.  So the _old_ DNS isn’t the right thing for the applications I 
>> have in mind.
> 
> Could you expand a bit on the kind of applications you have in mind?

Anything that bases security on DNS info, really; just a few that spring to 
mind:
- public key info such as TLSA and CERT records
- in some cases, perhaps, references to services (to avoid MITM scenarios based 
on DNS)
- Kerberos currently mistrusts DNS for non-configured domain lookups, and must 
therefore be configured manually, which is a shame if DNSSEC can help

DNSSEC offers an opportunity to secure DNS; the current assumption is that the 
provider of the information chooses whether or not to secure it; but in some 
cases the user of the information wants to be able to constrain the information 
to be trusted to only information that is certainly correct.

-Rick


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