(from openshift forum: https://www.openshift.com/forums/openshift/failed-add-alias-for-domain-like-caff%C3%A9it) It's impossibile to add alias for domain that use non ascii charset: rhc alias add {appName} www.caffé.it -l username you receive that message: Invalid Server Alias 'www.caffé.it' specified. Also in the webapp, this operation is not permitted.
Created card in trello based on discussion in libra-devel https://trello.com/c/FYJiEkvh