posttls-finger version (return code: 0)
posttls-finger: Destination address lookup failed: Host or domain name not found. Name service error for name=version type=AAAA: Host not found
posttls-finger --help (return code: 1)
posttls-finger: invalid option -- '-'
usage: posttls-finger [-acCfSvw] [-t conn_tmout] [-T cmd_tmout] [-L logopts] \
[-h host_lookup] [-l level] [-d mdalg] [-g grade] [-p protocols] \
[-A tafile] [-F CAfile.pem] [-P CApath/] [-k certfile [-K keyfile]] [-m count] [-r delay] \
[-o name=value] destination [match ...]