It can be anything! An apex, subdomain, or even a URL.
Domain Name: www.mail.nic.afDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-20T09:44:09.071Z <<<
Domain Name: www.mail.nic.af
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-20T09:44:09.071Z <<<