How are people discovering random subdomains on my server?

https://lemmy.blahaj.zone/post/36861104

Blåhaj Lemmy - Choose Your Interface

At the end of the day this is obscurity, not security; however obscurity is a good secondary defense because it buys time.

I too would be interested to learn how this leaked

it’s not even obscurity; it’s logged publicly.

It’s not. Wildcard DNS and wildcard cert. Domain is not logged publicly.

People that keep saying logged publicly simply don’t understand setup and technilogy