I noticed there a several other domains listed on that cert besides Han's (and 
wildcard versions for each).‎ Unless Han is the registrar or has some other 
affiliation with those domains it seems to me there is a risk of some private 
key compromise situation.

Also, if I want to add a new domain to a cert that has several other domains 
already on it, will I need to demonstrate control over all of the domains or 
only the new one?


  Original Message  
From: Rob Stradling
Sent: Monday, September 12, 2016 4:18 AM
To: Erwann Abalea; mozilla-dev-security-pol...@lists.mozilla.org
Subject: Re: Cerificate Concern about Cloudflare's DNS

On 10/09/16 15:43, Erwann Abalea wrote:
<snip>
> In my opinion, the most plausible verification method in this case is the 
> last one: "Having the Applicant demonstrate practical control over the FQDN 
> by making an agreed-upon change to information found in the DNS containing 
> the FQDN";

Correct. That's what happened.

-- 
Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online

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