I hadn't considered being blocked by the TLD's from doing the lookups. Good point. We probably do about 2K per day so not sure that is enough to be blocked but it certainly could be.

------ Original Message ------
From "Marc" <m...@f1-outsourcing.eu>
To "Tracy Greggs" <postmas...@insuredaircraft.com>
Date 5/10/2023 3:32:05 PM
Subject RE: Re[2]: rule based on domain age



 Why would it have to have to be specific per TLD?  Why I have in mind is
 looking at the creation date of the sending domain and scoring it up if
 it is newer than 12 months, no matter what the TLD is.

I totally get it. I was thinking of incorporating this in a service for a 
European project. And even going further, querying owner information.

 Am I missing something?

Because this information is only available at tld's and just querying the whois 
endlessly will be blocked. Every tld registry has their own operating rules.

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