Is there a way to check if someone is registered on Ashley Madison?

After the high-profile security breach in 2015, Ashley Madison enhanced their privacy measures. As of now, there is no publicly available or legitimate method to check if someone is registered on Ashley Madison. The company does not offer such services, and accessing or sharing confidential user information without consent would be a violation of privacy laws. Any website claiming to provide this service should be approached with caution as it may be a scam or an illegal activity. It's important to respect individuals' privacy and understand that digging into someone's personal life without consent has legal and ethical implications.