OpenRDAP v0.9.1
(www.openrdap.org)

Usage: rdap [OPTIONS] DOMAIN|IP|ASN|ENTITY|NAMESERVER|RDAP-URL
  e.g. rdap example.com
       rdap 192.0.2.0
       rdap 2001:db8::
       rdap AS2856
       rdap OPS4-RIPE
       rdap https://rdap.nic.cz/domain/example.cz

       rdap --json https://rdap.nic.cz/domain/example.cz
       rdap -s https://rdap.nic.cz -t help

Options:
  -h, --help          Show help message.
  -V, --version       Print version and quit.
  -v, --verbose       Print verbose messages on STDERR.

  -T, --timeout=SECS  Timeout after SECS seconds (default: 30).
  -k, --insecure      Disable SSL certificate verification.

Output Options:
      --text          Output RDAP, plain text "tree" format (default).
  -w, --whois         Output WHOIS style (domain queries only).
  -j, --json          Output JSON, pretty-printed format.
  -r, --raw           Output the raw server response.

Advanced options (query):
  -s  --server=URL    RDAP server to query.
  -t  --type=TYPE     RDAP query type. Normally auto-detected. The types are:
                      - ip
                      - domain
                      - autnum
                      - nameserver
                      - entity
                      - help
                      - url
                      - domain-search
                      - domain-search-by-nameserver
                      - domain-search-by-nameserver-ip
                      - nameserver-search
                      - nameserver-search-by-ip
                      - entity-search
                      - entity-search-by-handle
                      The servers for domain, ip, autnum, url queries can be
                      determined automatically. Otherwise, the RDAP server
                      (--server=URL) must be specified.

Advanced options (bootstrapping):
      --cache-dir=DIR Bootstrap cache directory to use. Specify empty string
                      to disable bootstrap caching. The directory is created
                      automatically as needed. (default: $HOME/.openrdap).
      --bs-url=URL    Bootstrap service URL (default: https://data.iana.org/rdap)
      --bs-ttl=SECS   Bootstrap cache time in seconds (default: 3600)

Advanced options (authentication):
  -P, --p12=cert.p12[:password] Use client certificate & private key (PKCS#12 format)
or:
  -C, --cert=cert.pem           Use client certificate (PEM format)
  -K, --key=cert.key            Use client private key (PEM format)