$ rpki-client -vvf rpki.ripe.net/repository/DEFAULT/6c/81a325-09b6-4517-b93e-5460e5091d18/1/PCKK_HA7a--nNfIhKGH9b6REh80.mft.html
File:                     PCKK_HA7a--nNfIhKGH9b6REh80.mft.html (raw, json)
Hash identifier:          PtzHrOnFTFRmgtWrBjG+s+9fu2D1iN7aJ/n3MQkNMjw=
rpki.ripe.net/repository/DEFAULT/6c/81a325-09b6-4517-b93e-5460e5091d18/1/PCKK_HA7a--nNfIhKGH9b6REh80.mft.html: unsupported file type
Validation:               N/A