It can be anything! An apex, subdomain, or even a URL.
Domain Name: www.openacademic.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-20T14:37:17.539Z <<<
Domain Name: www.openacademic.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-20T14:37:17.539Z <<<