For PTS, use "wallet_import_bitcoin"
wallet_import_bitcoin <wallet_filename> <passphrase> <account_name> Imports a Bitcoin Core or BitShares PTS wallet
Imports a Bitcoin Core or BitShares PTS wallet
wallet_filename (filename, required): the Bitcoin/PTS wallet file path
passphrase (passphrase, required): the imported wallet's password
account_name (account_name, required): the account to receive the contents of the wallet
For DNS I'm not sure actually, haven't tried yet.