It can be anything! An apex, subdomain, or even a URL.
% SaudiNIC Whois server.% Rights restricted by copyright.% http://nic.sa/en/view/whois-cmd-copyrightNo Match for supprt.unitedsadeem.sa.
% SaudiNIC Whois server.
% Rights restricted by copyright.
% http://nic.sa/en/view/whois-cmd-copyright
No Match for supprt.unitedsadeem.sa.