So we have NIP-05 support. If you're logged in and visit your
settings, at the bottom you can input your nostr pubkey (64 hex chars). idk what damus is doing with their keys but you'll need to convert it at https://damus.io/key/ if you're using damus.
You can also input your relays if you're into that sort of thing.
If your SN nym is
k00byour nostr nym via NIP-05 will be
Have a great weekend!🍻