rdap
TLDR
Query domain
$ rdap [example.com]
Query IP address$ rdap [192.0.2.1]
Query ASN$ rdap [AS15169]
JSON output$ rdap -j [example.com]
Verbose output$ rdap -v [example.com]
SYNOPSIS
rdap [options] query
DESCRIPTION
rdap queries Registration Data Access Protocol servers for domain, IP, and ASN registration information. RDAP is the modern replacement for WHOIS with structured data and authentication support.
PARAMETERS
-j, --json
JSON output.-v, --verbose
Verbose mode.-s server
Use specific RDAP server.-t type
Query type (domain, ip, autnum).--raw
Raw response.
EXAMPLES
$ # Domain lookup
rdap example.com
# IP address lookup
rdap 8.8.8.8
# ASN lookup
rdap AS15169
# JSON output
rdap -j google.com
# Specific server
rdap -s https://rdap.verisign.com/com/v1 example.com
# IPv6 address
rdap 2001:4860:4860::8888
rdap example.com
# IP address lookup
rdap 8.8.8.8
# ASN lookup
rdap AS15169
# JSON output
rdap -j google.com
# Specific server
rdap -s https://rdap.verisign.com/com/v1 example.com
# IPv6 address
rdap 2001:4860:4860::8888
QUERY TYPES
$ domain - Domain registration
ip - IP address/network
autnum - Autonomous System Number
entity - Registrant entity
nameserver - Name server
ip - IP address/network
autnum - Autonomous System Number
entity - Registrant entity
nameserver - Name server
CAVEATS
Not all TLDs support RDAP. Some data may require authentication. Successor to WHOIS.
HISTORY
RDAP was developed by the IETF starting in 2012 as a structured, secure replacement for the WHOIS protocol.
