Hi, when we allow users to signup with our subdomain, they can pick quite dangerous subdomains such as "support" or "admin". This may cause confusion and or be used as a weapon to attack other clients, making them think that they're actually the authority from the hosting provider. Such keywords should therefore be reserved. Question is... What other keywords should we reserve in order to protect business integrity and our clients? Here's what I got so far: support, help, api, app,