Is it possible to create a fourth-level domain on the Fly-supplied app name subdomain?

Questions / Help
1

I mean without registering a custom domain through a registrar, e.g., when you launch a new app, Fly gives you …

my-app.fly.dev

… I am wondering if I can do this …

level-4.my-app.fly.dev

… so my app can serve some content at the third-level domain and other content at the fourth-level domain (and have separate browser zoom levels and corresponding CSS set for both subdomain levels, as well as test out any multi-host utilities of my chosen web framework).

2

No. We currently don’t offer a way to do that. If you want control over your subdomains we recommend you use a custom domain.

3

Thank you for the feedback.

That would be a cool feature to have, I’ve never seen it anywhere.

4

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