It can be anything! An apex, subdomain, or even a URL.
Domain Name: test.webapp.yokoy.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T00:34:31.627Z <<<
Domain Name: test.webapp.yokoy.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T00:34:31.627Z <<<