Update DNS seed to real one.
Update DNS seed to real one.

IOCoin/DIONS,IOCoin/iocoin,IOCoin/iocoin,IOCoin/iocoin,IOCoin/DIONS,IOCoin/DIONS,IOCoin/DIONS,IOCoin/DIONS,IOCoin/iocoin,IOCoin/DIONS,IOCoin/DIONS,IOCoin/DIONS,IOCoin/iocoin