In the link provided below you can find all the certificates that it is currently possible to validate by launching a query against the @firma platform of MINHAP. It is necessary to bear in mind that the certificates incorporated into the Platform have complied with the procedure described in the document "Treatment of certificates in @firma", currently available in the PAE (http://administracionelectronica.gob.es) and are classified in one of the types of certificates currently established.
For a complete list of providers accepted by this platform go to: @firma certification service providers document.