Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Contact Us
Online Help
Domain Status
Man Pages

Virtual Servers

Topology Map

Server Agreement
Year 2038

USA Flag



Man Pages

Manual Reference Pages  -  RDAPPER (1)

.ds Aq ’


rdapper - a command-line RDAP client.



rdapper is a command-line client for the Registration Data Access Protocol (RDAP), the successor protocol to Whois (RFC 3912). RDAP is currently being developed by the WEIRDS IETF working group, and has not yet been finalized.

This tool will send an RDAP query to an RDAP server over HTTP or HTTPS, parse the JSON response, and display it in human-readable form.


To install this program type the following commands in the source directory:

   perl Makefile.PL
   make install


    rdapper [OPTIONS] QUERY


--host=HOST (default: Specify the host to query. If not set, rdapper uses (see below).
--TYPE=TYPE Specify the type of object being queried. Possible values are: domain, entity (also contact), nameserver (also host), autnum and ip. rdapper will detect IPv4 and IPv6 addresses and CIDR networks and AS numbers, and will fall back to domain queries for everything else.
--follow Instructs rdapper to follow links to retrieve full entity information.
--links Display URIs for referenced objects.
--path=PATH Specify a JSONPath query. Any elements in the response which match this path will be printed in JSON format.

See below for details of JSONPath.

--tls Force use of TLS.
--insecure Disable server certificate checking and hostname verification.
--username=USERNAME Specify a username to be used with Basic Authentication.
--password=PASSWORD Specify a password to be used with Basic Authentication.

Note: if the initial request is redirected, authentication credentials will be sent in the subsequent request to the target server, so users should consider whether these credentials might be disclosed inappropriately.

--cert=CERTIFICATE Specify a client SSL certificate to present to the server.
--key=KEY Specify a private key matching the certificate given in --cert.
--keypass=PASSPHRASE Specify a passphrase to decrypt the private key given by --key.
--raw Causes rdapper to emit pretty-printed JSON rather than text output.
--debug Causes rdapper to display the HTTP request and response rather than the text output.
--lang=LANGUAGE Specify a language. This is sent to the server using the Accept-Language header. If unset, the language will be taken from your $LANG environment variable (or en if that is not defined).
--encoding=ENCODING Specify an encoding. This is sent to the server using the Accept-Encoding header. If unset, the encoding will be taken from your $LANG environment variable (or UTF-8 if that is not defined).


You can use JSONPath to specify a subset of the complete response. JSONPath is an XPath-like syntax for querying JSON structures. The following are examples of JSONPath queries:

        $.handle                # the handle of an object
        $.nameServers[0].name   # the name of a domains first nameserver
        $.entities[0].emails[0] # the first email address of an objects first entity
        $     # the names of every nameserver

For a full explanation of the available syntax, see the link below.


Unless instructed otherwise (via the --host argument), rdapper will send all queries to this server is an aggregator of RDAP services, and will provide an HTTP redirect to the appropriate service where available.




rdapper is Copyright 2013 CentralNic Ltd. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Search for    or go to Top of page |  Section 1 |  Main Index

perl v5.20.3 RDAPPER (1) 2014-07-24

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.