CFDs are a leverage product and can involve a significant risk of loss. Trading CFDs may not be suitable for all, therefore you should ensure that you understand the risks involved and take into account your individual circumstances.
Trader's Glossary

What is No Dealing Desk (NDD)?

Brokers who operate a No Dealing Desk model pass the trades they receive from their clients straight through to liquidity providers. They do not intervene in any way between the trader and the market.