On 21/09/16 15:06, Rob Stradling wrote:
> I ran some queries earlier today on the crt.sh DB, to find all CNs,
> dNSNames and iPAddresses in all unexpired certs whose issuer names
> include either "WoSign" or "StartCom".  Then I cross-referenced that
> with the latest PSL data to discover the unique base domains:

Someone contacted me off-list (thanks!) to point out that my lists were
incomplete.  I'd missed a load of base domains delegated below the new
gTLDs.  (I hadn't spotted that my local copy of
https://data.iana.org/TLD/tlds-alpha-by-domain.txt was rather out of date).

Updated count and gists...

  Unique Base Domains: 127,355

  Unique Base Domains: 259,712



> WoSign:
>   Unique CNs/dNSNames: 395,222
>   Unique Base Domains: 118,785
>   Unique IP Addresses: 154
> StartCom:
>   Unique CNs/dNSNames: 706,020
>   Unique Base Domains: 249,841
>   Unique IP Addresses: 0

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