It can be anything! An apex, subdomain, or even a URL.
Domain Name: app.staging.tara.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T10:32:22.544Z <<<
Domain Name: app.staging.tara.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T10:32:22.544Z <<<