The company that operates Race Casino, L&L Europe Ltd, is licensed by a number of regulators, including the Malta Gaming Authority and the UK Gambling Commission. These regulatory bodies have provisions that include player protection, responsible gambling measures, fair and certified games and fraud prevention, among others.
The licensing bodies allow you to perform live checks of the licenses, and you can find the respective direct links for the Race Casino license check in this online casino review.
Playing at a licensed casino makes it safer than playing at an unlicensed casino, but the reputation of the casino is also important. In that regard, Race Casino is operated by a company with a good reputation, which means it's a safe and trusted casino.