// This one works
define host{
    alias           router-local
    host_name       router-local
    address         192.168.101.1
    check_command       check-host-alive
    max_check_attempts  3
    notification_interval   0
    notification_period 24x7
    notification_options    d,u,r
    contact_groups  admins-email
}


// This one doesn't
define host{
    alias           www.foo.com
    host_name       www.foo.com
    address         x.x.x.x
    check_command       check-host-alive
    max_check_attempts  3
    notification_interval   0
    notification_period 24x7
    notification_options    d,u,r
    contact_groups  admins-email,admins-pager
}