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Search.chatgpt.com domain and SSL cert have been created

search.chatgpt.com

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Re: Search.chatgpt.com domain and SSL cert have been created

#11
I'm taking this opportunity to once again ask for the widespread adoption of the Name Constraints extension in x509, and subsequent roll-out of constrained intermediate CA certs signed by a publicly trusted root.

Would be so convenient to have an intermediate CA cert constrained to *.my-name.com to avoid situations like this. Being forced to either use a private PKI infrastructure or using wildcards to not leak host names is so annoying.

Re: Search.chatgpt.com domain and SSL cert have been created

#12
post #7

I know about things like https://crt.sh but how could you be notified about something like this? Is there some service that allows you to be alerted whenever a new certificate is generated for a domain?

There is this tool from Facebook.

"Certificate Transparencyis an open framework which helps log, audit and monitor publicly-trusted TLS certificates on the Internet. This tool lets you search for certificates issued for a given domain and subscribe to notifications from Facebook regarding new certificates and potential phishing attacks."

https://developers.facebook.com/tools/ct/search/

Re: Search.chatgpt.com domain and SSL cert have been created

#14

Tls, no?

There is no such thing as an "SSL certificate" or "TLS certificate". There are certificates, which are used in various protocols including SSL and TLS. You can use the same certificate for both. The name "SSL certificate" is just a shorthand indicating the intended purpose of the certificate, nothing more. As such there really is no point in being pedantic over SSL vs TLS.

More accurately they are X.509 certificates.

Re: Search.chatgpt.com domain and SSL cert have been created

#15
post #7

I know about things like https://crt.sh but how could you be notified about something like this? Is there some service that allows you to be alerted whenever a new certificate is generated for a domain?

crt.sh has rss feeds for any search result you throw at it, e.g.: https://crt.sh/atom?identity=chatgpt.com

most commercial offerings are about monitoring your own domain, e.g. from cloudflare, sslmate, etc.

Re: Search.chatgpt.com domain and SSL cert have been created

#20
post #7

I know about things like https://crt.sh but how could you be notified about something like this? Is there some service that allows you to be alerted whenever a new certificate is generated for a domain?

You can set up your own certificate transparency listener, and get notified of every certificate created, in realtime, assuming you can handle the load. In my company we do this to scan new domains for potential phishing domains, to take them down before they become active.
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