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by ThePhysicist 2247 days ago
Can you not simply use a normal domain or subdomain and get a regular TLS certificate for it? The domain can still only be resolvable inside your Intranet using your internal DNS. You won’t need a special root CA in all browsers then.
1 comments

> simply use a normal domain or subdomain and get a regular TLS certificate

Yes I can make that switch, but I also think every domain should be considered normal.

However in this particular case, the Intranet TLD is purposely hidden from public resolvers.

By definition, ICANN TLDs are considered special, because the whole www PKI infrastructure only works for those. Browsers cater to those TLDs, and CAs have guidelines for those.

I understand the need for hiding your TLD though. I don't see a nice solution here, sadly.