Unfortunately for scanning they utilize a specialized server/node. It’s above my paygrade to determine what info gets leaked here if any.
https://silentpayments.xyz/docs/wallets/#fnref:1
https://blossom.primal.net/e0d253067510825487f4ede8ef1c65591aedc9bd8f7fb8cce9a27fae6929835f.jpg