It can be anything! An apex, subdomain, or even a URL.
Domain Name: benco.proton.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T06:33:37.438Z <<<
Domain Name: benco.proton.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T06:33:37.438Z <<<