It can be anything! An apex, subdomain, or even a URL.
Domain Name: www.app-v2.aiii.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T23:20:59.118Z <<<
Domain Name: www.app-v2.aiii.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T23:20:59.118Z <<<