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I looked before I started using Let’s Encrypt for some internal stuff and there really isn’t a way to use name constraints in a practical way with modern web br

I looked before I started using Let’s Encrypt for some internal stuff and there really isn’t a way to use name constraints in a practical way with modern web browsers at this point. If you’re not using a browser, things get a lot easier, but for browsers you sort of got to suck up that you can’t really avoid the “big” internet.

msm_ 3y ago
There is a way, I've recently generated my own CA with domain name constraint, trusted it, and used it cross sign my company's self signed CA. It works like a charm.