It can be anything! An apex, subdomain, or even a URL.
Results forsupport.transmitsecurity.com.00do0000000yh5ieaw.live.siteforce.com
www.support.transmitsecurity.com.00do0000000yh5ieaw.live.siteforce.comtransmitsecurity.com.00do0000000yh5ieaw.live.siteforce.comcom.00do0000000yh5ieaw.live.siteforce.com00do0000000yh5ieaw.live.siteforce.comlive.siteforce.comsiteforce.comcom