Aurora deposit address is AUxyZyvM2GZeVQ7ooGGHPHX6zjUY1hCECT it says Address not seen on the network.
Doge deposit address is D8aUdzfQjrxTCMjKuHRgSTtAH4X4DNUqgD 0 transactions on dogechain.
Then that would imply a problem on your end, rather than Mintpal. If you sent the coins successfully they would at least appear on the blockchain. This implies a problem on your end.
1: Are you using the latest Dogecoin/Aurora clients?
2: Are the transactions confirmed in your wallets?
3: Are your wallets fully synced?