It can be anything! An apex, subdomain, or even a URL.
Domain Name: vk-fldu-prod.armath.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-22T03:25:18.318Z <<<
Domain Name: vk-fldu-prod.armath.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-22T03:25:18.318Z <<<