It can be anything! An apex, subdomain, or even a URL.
Domain Name: agents.fetch.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T22:44:20.950Z <<<
Domain Name: agents.fetch.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T22:44:20.950Z <<<