Andrew,I was not referring to any WHOIS server, but rather to the information about domain "owners" that a registrar is supposed to collect and keep.
So you believe that if a CA does the following, the domain contact email they can (sometimes) get is /unreliable/?
1) Consult the list of accredited domain registrars on the IANA website (https://www.icann.org/en/accredited-registrars), thus finding confirmation of one particular registrar's website the CA was looking for. 2) Access the website found in point 1 above and query the information available on a certain domain. 3) At this point, sometimes (rarely) obtain, among other information, also the email address of a domain contact.
Note that here I'm not talking about the WHOIS protocol nor WHOIS servers, but about the information that the domain registrar has the duty to collect and store (not necessarily publish) about the subject who registered a domain.
Regards, Adriano Il 17/09/2024 17:13, Andrew Ayer ha scritto:
[NOTICE: Pay attention - external email - Sender [email protected] ] On Tue, 17 Sep 2024 07:21:28 +0000 Adriano Santoni via Servercert-wg<[email protected]> wrote:I believe that the /interactive /query of the domain registrar, directly on its website, can be considered reliable to the extent that the CA is confident that it is in fact consulting the "right" website.CAs were not consulting the right WHOIS server, despite a database of correct WHOIS servers existing (at least for gTLDs). How would the problem be better when it comes to finding the "right" website? The gTLD registry agreement requires gTLD operators to update the IANA Rootzone Database when their WHOIS server changes; I don't see a similar requirement for keeping a database of website URLs up-to-date. Regards, Andrew
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