Both my Guides have been updated to include proper configuration of CORS permissions.

Guides include - Lightning Address redirection/forwarding and setting up NIP-05 on your domain.

Let me know if anyone's still having troubles setting up and I can assist.

https://orangepill.dev/lightning-guides/guide-to-create-lnaddress-redirection-on-your-domain/

https://orangepill.dev/nostr-guides/guide-to-verify-nostr-profile-nip05-identifier-with-your-domain/