It can be anything! An apex, subdomain, or even a URL.
Domain Name: webmail.nic.htDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T02:56:01.414Z <<<
Domain Name: webmail.nic.ht
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T02:56:01.414Z <<<