The URL indicated here leads to a directory of all certificates issued by a specific certification service. A URL starting with http://... indicates that the directory service is accessible from the Web, while a URL starting with ldap://... leads to a directory service using the Lightweight Directory Access Protocol (LDAP).
RUNDFUNK UND TELEKOM
REGULIERUNGS-GMBH
Austrian Regulatory Authority for Broadcasting and Telecommunications
Mariahilfer Straße 77-79, 1060 Vienna, Austria
tel.: +43 1 58058-0