OpenRDAP is an command line RDAP client implementation in Go.
https://www.openrdap.org - homepage
https://www.openrdap.org/demo - live demo
- Command line RDAP client
- Output formats: text, JSON, WHOIS style
- 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
- Automatic server detection for ip/domain/autnum/entities
- Object tags support
- Bootstrap cache (optional, uses ~/.openrdap by default)
- X.509 client authentication
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
| Query type | Usage |
|---|---|
| Domain (.com) | rdap -v example.com |
| IPv4 Address | rdap -v 192.0.2.0 |
| IPv6 Address | rdap -v 2001:db8:: |
| Autonomous System (ASN) | rdap -v AS15169 |
| Entity (with object tag) | rdap -v OPS4-RIPE |
| Query type | Usage |
|---|---|
| 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.
Click the examples to see the output:
rdap example.com
Domain Name: EXAMPLE.COM
Handle: 2336799_DOMAIN_COM-VRSN
Status: client delete prohibited
Status: client transfer prohibited
Status: client update prohibited
Conformance: rdap_level_0
Conformance: icann_rdap_technical_implementation_guide_0
Conformance: icann_rdap_response_profile_0
Notice:
Title: Terms of Use
Description: Service subject to Terms of Use.
Link: https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml
Notice:
Title: Status Codes
Description: For more information on domain status codes, please visit https://icann.org/epp
Link: https://icann.org/epp
Notice:
Title: RDDS Inaccuracy Complaint Form
Description: URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf
Link: https://icann.org/wicf
Link: https://rdap.verisign.com/com/v1/domain/EXAMPLE.COM
Event:
Action: registration
Date: 1995-08-14T04:00:00Z
Event:
Action: expiration
Date: 2023-08-13T04:00:00Z
Event:
Action: last changed
Date: 2023-05-12T15:13:35Z
Event:
Action: last update of RDAP database
Date: 2023-05-16T20:36:06Z
Secure DNS:
Delegation Signed: true
DSData:
Key Tag: 370
Algorithm: 13
Digest: BE74359954660069D5C63D200C39F5603827D7DD02B56F120EE9F3A86764247C
DigestType: 2
Entity:
Handle: 376
Public ID:
Type: IANA Registrar ID
Identifier: 376
Role: registrar
vCard version: 4.0
vCard fn: RESERVED-Internet Assigned Numbers Authority
Entity:
Role: abuse
vCard version: 4.0
Nameserver:
Nameserver: A.IANA-SERVERS.NET
Nameserver:
Nameserver: B.IANA-SERVERS.NET
rdap 8.8.8.8
Handle: NET-8-8-8-0-1
Start Address: 8.8.8.0
End Address: 8.8.8.255
IP Version: v4
Name: LVLT-GOGL-8-8-8
Type: ALLOCATION
ParentHandle: NET-8-0-0-0-1
Status: active
Port43: whois.arin.net
Notice:
Title: Terms of Service
Description: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
Link: https://www.arin.net/resources/registry/whois/tou/
Notice:
Title: Whois Inaccuracy Reporting
Description: If you see inaccuracies in the results, please visit:
Link: https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
Notice:
Title: Copyright Notice
Description: Copyright 1997-2023, American Registry for Internet Numbers, Ltd.
Entity:
Handle: GOGL
Port43: whois.arin.net
Remark:
Title: Registration Comments
Description: Please note that the recommended way to file abuse complaints are located in the following links.
Description: To report abuse and illegal activity: https://www.google.com/contact/
Description: For legal requests: http://support.google.com/legal
Description: Regards,
Description: The Google Team
Link: https://rdap.arin.net/registry/entity/GOGL
Link: https://whois.arin.net/rest/org/GOGL
Event:
Action: last changed
Date: 2019-10-31T15:45:45-04:00
Event:
Action: registration
Date: 2000-03-30T00:00:00-05:00
Role: registrant
vCard version: 4.0
vCard fn: Google LLC
vCard kind: org
Entity:
Handle: ABUSE5250-ARIN
Status: validated
Port43: whois.arin.net
Remark:
Title: Registration Comments
Description: Please note that the recommended way to file abuse complaints are located in the following links.
Description: To report abuse and illegal activity: https://www.google.com/contact/
Description: For legal requests: http://support.google.com/legal
Description: Regards,
Description: The Google Team
Link: https://rdap.arin.net/registry/entity/ABUSE5250-ARIN
Link: https://whois.arin.net/rest/poc/ABUSE5250-ARIN
Event:
Action: last changed
Date: 2022-10-24T08:43:11-04:00
Event:
Action: registration
Date: 2015-11-06T15:36:35-05:00
Role: abuse
vCard version: 4.0
vCard fn: Abuse
vCard org: Abuse
vCard kind: group
vCard email: [email protected]
vCard tel: +1-650-253-0000
Entity:
Handle: ZG39-ARIN
Status: validated
Port43: whois.arin.net
Link: https://rdap.arin.net/registry/entity/ZG39-ARIN
Link: https://whois.arin.net/rest/poc/ZG39-ARIN
Event:
Action: last changed
Date: 2022-11-10T07:12:44-05:00
Event:
Action: registration
Date: 2000-11-30T13:54:08-05:00
Role: technical
Role: administrative
vCard version: 4.0
vCard fn: Google LLC
vCard org: Google LLC
vCard kind: group
vCard email: [email protected]
vCard tel: +1-650-253-0000
Link: https://rdap.arin.net/registry/ip/8.8.8.0
Link: https://whois.arin.net/rest/net/NET-8-8-8-0-1
Link: https://rdap.arin.net/registry/ip/8.0.0.0/9
Event:
Action: last changed
Date: 2014-03-14T16:52:05-04:00
Event:
Action: registration
Date: 2014-03-14T16:52:05-04:00
cidr0_cidrs:
v4prefix: 8.8.8.0
length: 24
rdap --json AS15169
{
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"notices": [
{
"title": "Terms of Service",
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "terms-of-service",
"type": "text/html",
"href": "https://www.arin.net/resources/registry/whois/tou/"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "inaccuracy-report",
"type": "text/html",
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/"
}
]
},
{
"title": "Copyright Notice",
"description": [
"Copyright 1997-2023, American Registry for Internet Numbers, Ltd."
]
}
],
"handle": "AS15169",
"startAutnum": 15169,
"endAutnum": 15169,
"name": "GOOGLE",
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-02-24T09:44:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-03-30T00:00:00-05:00"
}
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "self",
"type": "application/rdap+json",
"href": "https://rdap.arin.net/registry/autnum/15169"
},
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "alternate",
"type": "application/xml",
"href": "https://whois.arin.net/rest/asn/AS15169"
}
],
"entities": [
{
"handle": "GOGL",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Google LLC"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
],
"roles": [
"registrant"
],
"remarks": [
{
"title": "Registration Comments",
"description": [
"Please note that the recommended way to file abuse complaints are located in the following links. ",
"",
"To report abuse and illegal activity: https://www.google.com/contact/",
"",
"For legal requests: http://support.google.com/legal ",
"",
"Regards, ",
"The Google Team"
]
}
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "self",
"type": "application/rdap+json",
"href": "https://rdap.arin.net/registry/entity/GOGL"
},
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "alternate",
"type": "application/xml",
"href": "https://whois.arin.net/rest/org/GOGL"
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2019-10-31T15:45:45-04:00"
},
{
"eventAction": "registration",
"eventDate": "2000-03-30T00:00:00-05:00"
}
],
"entities": [
{
"handle": "ABUSE5250-ARIN",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Abuse"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-253-0000"
]
]
],
"roles": [
"abuse"
],
"remarks": [
{
"title": "Registration Comments",
"description": [
"Please note that the recommended way to file abuse complaints are located in the following links.",
"",
"To report abuse and illegal activity: https://www.google.com/contact/",
"",
"For legal requests: http://support.google.com/legal ",
"",
"Regards,",
"The Google Team"
]
}
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "self",
"type": "application/rdap+json",
"href": "https://rdap.arin.net/registry/entity/ABUSE5250-ARIN"
},
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "alternate",
"type": "application/xml",
"href": "https://whois.arin.net/rest/poc/ABUSE5250-ARIN"
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-10-24T08:43:11-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-11-06T15:36:35-05:00"
}
],
"status": [
"validated"
],
"port43": "whois.arin.net",
"objectClassName": "entity"
},
{
"handle": "ZG39-ARIN",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Google LLC"
],
[
"org",
{},
"text",
"Google LLC"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-253-0000"
]
]
],
"roles": [
"technical",
"administrative"
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "self",
"type": "application/rdap+json",
"href": "https://rdap.arin.net/registry/entity/ZG39-ARIN"
},
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "alternate",
"type": "application/xml",
"href": "https://whois.arin.net/rest/poc/ZG39-ARIN"
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-11-10T07:12:44-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-11-30T13:54:08-05:00"
}
],
"status": [
"validated"
],
"port43": "whois.arin.net",
"objectClassName": "entity"
}
],
"port43": "whois.arin.net",
"objectClassName": "entity"
},
{
"handle": "ZG39-ARIN",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1600 Amphitheatre Parkway\nMountain View\nCA\n94043\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Google LLC"
],
[
"org",
{},
"text",
"Google LLC"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-650-253-0000"
]
]
],
"roles": [
"technical"
],
"links": [
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "self",
"type": "application/rdap+json",
"href": "https://rdap.arin.net/registry/entity/ZG39-ARIN"
},
{
"value": "https://rdap.arin.net/registry/autnum/15169",
"rel": "alternate",
"type": "application/xml",
"href": "https://whois.arin.net/rest/poc/ZG39-ARIN"
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-11-10T07:12:44-05:00"
},
{
"eventAction": "registration",
"eventDate": "2000-11-30T13:54:08-05:00"
}
],
"status": [
"validated"
],
"port43": "whois.arin.net",
"objectClassName": "entity"
}
],
"port43": "whois.arin.net",
"status": [
"active"
],
"objectClassName": "autnum"
}
Go 1.20+
-
Wikipedia - Registration Data Access Protocol
-
ICANN - RDAP
-
https://data.iana.org/rdap/ - Official IANA bootstrap information
-
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
-
RFC 8521 Registration Data Access Protocol (RDAP) Object Tagging
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