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https://github.com/fcambus/rrda
REST API allowing to perform DNS queries over HTTP
https://github.com/fcambus/rrda
api dns http query rest
Last synced: 24 days ago
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REST API allowing to perform DNS queries over HTTP
- Host: GitHub
- URL: https://github.com/fcambus/rrda
- Owner: fcambus
- License: bsd-2-clause
- Created: 2013-07-01T10:56:10.000Z (almost 11 years ago)
- Default Branch: master
- Last Pushed: 2023-11-28T09:49:27.000Z (7 months ago)
- Last Synced: 2024-02-18T15:35:58.092Z (4 months ago)
- Topics: api, dns, http, query, rest
- Language: Go
- Homepage: https://www.statdns.com
- Size: 107 KB
- Stars: 217
- Watchers: 22
- Forks: 59
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: ChangeLog
- License: LICENSE
- Authors: AUTHORS
Lists
- awesome-stars - fcambus/rrda - REST API allowing to perform DNS queries over HTTP (Go)
- awesome-ccamel - fcambus/rrda - REST API allowing to perform DNS queries over HTTP (Go)
- awesome-stars - fcambus/rrda - REST API allowing to perform DNS queries over HTTP (Go)
README
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__ __\__ /__\__ /__\__ /__\\__ \__ | R
/// _/ // _/ // |/ \\ ._ \ |
_/ \ \_ \ \_ ' /_ |/ // | D
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<---------h7/dS!---- \ . \ -------\\______/ | A
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## Description
RRDA is a REST API written in Go allowing to perform DNS queries over HTTP,
and to get reverse PTR records for both IPv4 and IPv6 addresses. It outputs
JSON-encoded DNS responses.
The API allows to specify which name server to query (either recursive or
authoritative), and can be used as a foundation to build DNS looking glasses.
RRDA is a recursive acronym for "RRDA REST DNS API".
## Requirements
RRDA requires the following Go libraries:
- chi: lightweight, idiomatic and composable router - https://github.com/go-chi/chi
- dns: DNS library in Go - https://github.com/miekg/dns
## Installation
Build and install with the `go` tool, all dependencies will be automatically
fetched and compiled:
go build
go install rrda
## Usage
By default, RRDA will bind on localhost, port 8080.
USAGE:
-host string
Set the server host (default "127.0.0.1")
-port string
Set the server port (default "8080")
-timeout int
Set the query timeout in ms (default 2000)
-version
Display version
## Running RRDA at boot time
### Systemd unit file
RRDA is bundled with a systemd unit file, see: `systemd/rrda.service`
Copy the `systemd/rrda.service` file in `/etc/systemd/system` and the RRDA
binary in `/usr/local/sbin`.
To launch the daemon at startup, run:
systemctl enable rrda
## Making Queries
The following examples assume there is a resolver on localhost listening on port 53.
### Getting Resources Records
URL Scheme: http://server:port/resolver:port/domain/querytype
- Example (using an IPv4 resolver): http://127.0.0.1:8080/127.0.0.1:53/example.org/ns
- Example (using an IPv6 resolver): http://127.0.0.1:8080/[::1]:53/example.org/ns
### Getting Reverse PTR Records (for both IPv4 and IPv6 addresses)
URL Scheme: http://server:port/resolver:port/x/ip
- Example (IPv4): http://127.0.0.1:8080/127.0.0.1:53/x/193.0.6.139
- Example (IPv6): http://127.0.0.1:8080/127.0.0.1:53/x/2001:67c:2e8:22::c100:68b
### Identify a Name Server instance
URL Scheme: http://server:port/resolver:port/id
- Example (using an IPv4 resolver): http://127.0.0.1:8080/127.0.0.1:53/id
- Example (using an IPv6 resolver): http://127.0.0.1:8080/[::1]:53/id
## JSONP Support
RRDA supports JSONP callbacks.
- Example: http://127.0.0.1:8080/127.0.0.1:53/example.org/ns?callback=rrda
## JSON Output Schema
The output is a JSON object containing the following arrays, representing the
appropriate sections of DNS packets:
- question
- answer
- authority (omitted if empty)
- additional (omitted if empty)
### Question section
- name
- type
- class
### Answer, Authority, Additional sections
- name
- type
- class
- ttl
- rdlength
- rdata
## Client Errors
When incorrect user input is entered, the server returns an HTTP 400 Error
(Bad Request), along with a JSON-encoded error message.
- Code 401: Input string could not be parsed
- Code 402: Input string is not a well-formed domain name
- Code 403: Input string is not a valid IP address
- Code 404: Invalid DNS query type
### Examples
curl http://127.0.0.1:8080/:53/statdns..net/a
{"code":402,"message":"Input string is not a well-formed domain name"}
curl http://127.0.0.1:8080/:53/x/127.0
{"code":403,"message":"Input string is not a valid IP address"}
curl http://127.0.0.1:8080/:53/statdns.net/error
{"code":404,"message":"Invalid DNS query type"}
## Server Errors
When the DNS server cannot be reached or returns an error, the server returns
an HTTP 500 Error (Internal Server Error), along with a JSON-encoded error
message.
- Code 501: DNS server could not be reached
- Code 502: The name server encountered an internal failure while processing this request (SERVFAIL)
- Code 503: Some name that ought to exist, does not exist (NXDOMAIN)
- Code 505: The name server refuses to perform the specified operation for policy or security reasons (REFUSED)
### Examples
curl http://127.0.0.1:8080/127.0.0.2:53/statdns.net/a
{"code":501,"message":"DNS server could not be reached"}
curl http://127.0.0.1:8080/:53/lame2.broken-on-purpose.generic-nic.net/soa
{"code":502,"message":"The name server encountered an internal failure while processing this request (SERVFAIL)"}
curl http://127.0.0.1:8080/:53/statdns.nete/a
{"code":503,"message":"Some name that ought to exist, does not exist (NXDOMAIN)"}
curl http://127.0.0.1:8080/:53/lame.broken-on-purpose.generic-nic.net/soa
{"code":505,"message":"The name server refuses to perform the specified operation for policy or security reasons (REFUSED)"}
## Sites using RRDA
- StatDNS: Rest DNS API - https://www.statdns.com/api/
- DNS-LG: Multilocation DNS Looking Glass - http://www.dns-lg.com
## License
RRDA is released under the BSD 2-Clause license. See `LICENSE` file for details.
## Author
RRDA is developed by Frederic Cambus
- Site: https://www.cambus.net
## Resources
Project homepage: https://www.statdns.com
Latest tarball release: https://www.statdns.com/rrda/rrda-1.4.1.tar.gz
GitHub: https://github.com/fcambus/rrda