-0 */12 * * * letsencrypt /srv/acme.openstreetmap.org/bin/renew
+# DO NOT EDIT - This file is being maintained by Chef
+
+MAILTO=admins@openstreetmap.org
+
+00 */12 * * * letsencrypt /srv/acme.openstreetmap.org/bin/renew
+30 */12 * * * letsencrypt /srv/acme.openstreetmap.org/bin/check-certificates