It can be anything! An apex, subdomain, or even a URL.
Domain Name: mail.lima-city.de.mhub.aiDomain Status: No Object Found>>> Last update of WHOIS database: 2024-09-24T11:21:29.081Z <<<
Domain Name: mail.lima-city.de.mhub.ai
Domain Status: No Object Found
>>> Last update of WHOIS database: 2024-09-24T11:21:29.081Z <<<