[frontends_na_zone] 
frontend1-na.example.com 
frontend2-na.example.com

[frontends_emea_zone]
frontend1-emea.example.com
frontend2-emea.example.com

[appservers_na_zone]
appserver1-na.example.com
appserver2-na.example.com

[appservers_emea_zone]
appserver1-emea.example.com
appserver2-emea.example.com
