It can be anything! An apex, subdomain, or even a URL.
Domain Name: www.xo.seequence.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T14:19:55.557Z <<<
Domain Name: www.xo.seequence.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T14:19:55.557Z <<<