It can be anything! An apex, subdomain, or even a URL.
Domain Name: actions.content.b-dev.brd.soDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-21T09:44:44.114Z <<<
Domain Name: actions.content.b-dev.brd.so
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-21T09:44:44.114Z <<<