It can be anything! An apex, subdomain, or even a URL.
Domain Name: www.whois.nic.msDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-20T17:41:10.498Z <<<
Domain Name: www.whois.nic.ms
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-20T17:41:10.498Z <<<