github.com/openrdap/rdap

OpenRDAP is an command line RDAP client implementation in Go.

https://www.openrdap.org - homepage

https://www.openrdap.org/demo - live demo

Features

• Command line RDAP client
• Query types supported:
  • 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
• Query bootstrapping (automatic RDAP server URL detection for ip/domain/autnum/(experimental) entity queries)
• Bootstrap cache (optional, uses ~/.openrdap by default)
• X.509 client authentication
• Output formats: text, JSON, WHOIS style
• Experimental object tagging support

Installation

This program uses Go. The Go compiler is available from https://golang.org/.

To install:

go install github.com/openrdap/rdap/cmd/rdap@master

This will install the "rdap" binary in your $GOPATH/go/bin directory. Try running:

~/go/bin/rdap google.com

Usage

Query type	Usage
Domain (.com)	rdap -v example.com
Network	rdap -v 2001:db8::
Autnum	rdap -v AS15169
Nameserver	rdap -v -t nameserver -s https://rdap.verisign.com/com/v1 ns1.google.com
Help	rdap -v -t help -s https://rdap.verisign.com/com/v1
Domain Search	rdap -v -t domain-search -s $SERVER_URL example*.gtld
Domain Search (by NS)	rdap -v -t domain-search-by-nameserver -s $SERVER_URL ns1.example.gtld
Domain Search (by NS IP)	rdap -v -t domain-search-by-nameserver-ip -s $SERVER_URL 192.0.2.0
Nameserver Search	rdap -v -t nameserver-search -s $SERVER_URL ns1.example.gtld
Nameserver Search (by IP)	rdap -v -t nameserver-search-by-ip -s $SERVER_URL 192.0.2.0
Entity Search	rdap -v -t entity-search -s $SERVER_URL ENTITY-TAG
Entity Search (by handle)	rdap -v -t entity-search-by-handle -s $SERVER_URL ENTITY-TAG

See https://www.openrdap.org/docs.

Go docs

Uses

Go 1.20+

Links

• Wikipedia - Registration Data Access Protocol

• ICANN RDAP pilot

• OpenRDAP

• https://data.iana.org/rdap/ - Official IANA bootstrap information

• https://test.rdap.net/rdap/ - Test alternate bootstrap service with more experimental RDAP servers

• RFC 7480 HTTP Usage in the Registration Data Access Protocol (RDAP)

• RFC 7481 Security Services for the Registration Data Access Protocol (RDAP)

• RFC 7482 Registration Data Access Protocol (RDAP) Query Format

• RFC 7483 JSON Responses for the Registration Data Access Protocol (RDAP)

• RFC 7484 Finding the Authoritative Registration Data (RDAP) Service