It can be anything! An apex, subdomain, or even a URL.
Domain Name: ww16.hyiedcufzytdy.oducn.soDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T20:28:36.115Z <<<
Domain Name: ww16.hyiedcufzytdy.oducn.so
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T20:28:36.115Z <<<