It can be anything! An apex, subdomain, or even a URL.
Domain Name: cc-staging.donr.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T09:24:11.634Z <<<
Domain Name: cc-staging.donr.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T09:24:11.634Z <<<