It can be anything! An apex, subdomain, or even a URL.
Domain Name: hostmaster.www.co.zmDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T20:14:17.471Z <<<
Domain Name: hostmaster.www.co.zm
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T20:14:17.471Z <<<