/usr/share/igtf-policy/classic/DFN-GridGermany-Root.crl_url is in igtf-policy-classic 1.59-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | http://cdp1.pca.dfn.de/grid-root-ca/pub/crl/cacrl.crl
|