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Re: A Deep Dive on the Recent Widespread DNS Hijacking


From: Hank Nussbacher <hank () efes iucc ac il>
Date: Mon, 25 Feb 2019 08:03:50 +0200

On 25/02/2019 07:20, Bill Woodcock wrote:
On Feb 24, 2019, at 7:41 PM, Montgomery, Douglas (Fed) <dougm () nist gov> wrote:
In the 3rd attack noted below, do we know if the CA that issued the DV CERTS does DNSSEC validation on its DNS 
challenge queries?
We know that neither Comodo nor Let's Encrypt were DNSSEC validating before issuing certs.  The Let’s Encrypt guys at 
least seemed interested in learning from their mistake.  Can’t say as much of Comodo.

                                 -Bill

Bill,

Did you have a CAA record defined and if not, why not?

-Hank



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