It can be anything! An apex, subdomain, or even a URL.
Domain Name: www.rose.friendly.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T04:48:26.045Z <<<
Domain Name: www.rose.friendly.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T04:48:26.045Z <<<