It can be anything! An apex, subdomain, or even a URL.
Results forwww.net.sanantoniorestaurantsdirectory.com.thebannerexchangenetwork.com
net.sanantoniorestaurantsdirectory.com.thebannerexchangenetwork.comsanantoniorestaurantsdirectory.com.thebannerexchangenetwork.comcom.thebannerexchangenetwork.comthebannerexchangenetwork.comcom