define host{
host_name  		exchange.nagios.org
hostgroups 		sites-web-group
alias 			exchange.nagios.org
address  		66.228.58.94
check_command 	 	check-host-alive
check_interval 	 	3
retry_interval 		1
check_attempts 	 	5
check_period 		24x7
contact_groups 		web-server-admins
notification_interval 	30
notification_period 	24x7
notification_options 	d,u,r
}      
