https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/html-single/configuration_guide/index#configure_name_of_host

Items 3 and 4 in the described algorithm talk about "The value that follows the [final] period (.) character ...". This is incorrect. It should be "The value that precedes the first period (.) character ...".