See: - https://ritter.vg/blog-querying_ct_logs.html - https://ritter.vg/blog-require_certificate_transparency.html Certain files from https://git.nordu.net/catlfish.git: certkeys.py certtools.py fetchallcerts.py See LICENSE_CATLFISH See also https://github.com/alex/ct-submitter which also submits certs to logs.