Angry Creative on "[Plugin: BackWPup] Does not work with special characters"

Domains with special characters (å, ä, ö) does not work properly.

I get this error message for the domain rotrörab.se: The HTTP response test get a error "Couldn't resolve host 'www.rotrörab.se'"The HTTP response test get a false http status ()

http://wordpress.org/extend/plugins/backwpup/