sshfp version: 1.2.2 Source : http://www.xelerance.com/software/sshfp/ Author: Paul Wouters <paul@xelerance.com> James Brown <jbrown@yelp.com>

Usage: sshfp [options] Options: -h, --help show this help message and exit -k KNOWN_HOSTS_FILE, --knownhosts=KNOWN_HOSTS_FILE, --known-hosts=KNOWN_HOSTS_FILE obtain public ssh keys from the known_hosts file KNOWN_HOSTS_FILE -s, --scan scan the listed hosts for public keys using ssh- keyscan -a, --all scan all hosts in the known_hosts file when used with -k. When used with -s, attempt a zone transfer to obtain all A records in the domain provided -d, --trailing-dot add a trailing dot to the hostname in the SSHFP records -o FILENAME, --output=FILENAME write to FILENAME instead of stdout -p PORT, --port=PORT use PORT for scanning -v, --version print version information and exit -q, --quiet -T TIMEOUT, --timeout=TIMEOUT scanning timeout (default 5) -t ALGO, --type=ALGO key type to fetch (may be specified more than once, default dsa,rsa) -n NAMESERVER, --nameserver=NAMESERVER nameserver to use for AXFR (only valid with -s -a)