It can be anything! An apex, subdomain, or even a URL.
Domain Name: account.gov.kakaoi.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T21:30:39.961Z <<<
Domain Name: account.gov.kakaoi.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T21:30:39.961Z <<<