https://github.com/mcombeau/dns-tools

https://github.com/mcombeau/dns-tools

Last synced: 27 days ago
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• Host: GitHub
• URL: https://github.com/mcombeau/dns-tools
• Owner: mcombeau
• Created: 2024-07-13T07:50:53.000Z (6 months ago)
• Default Branch: main
• Last Pushed: 2024-08-30T13:48:04.000Z (4 months ago)
• Last Synced: 2024-09-08T14:25:43.468Z (4 months ago)
• Language: Go
• Size: 1.89 MB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# dns-tools

A small DNS message toolkit in Go, which is mostly RFC 1035 compliant. It includes encoding and decoding functions and is able to handle compressed DNS messages.

It also includes a client which is able to encode and send a DNS question and print the answer in a human-readable dig-like format.

## Usage

To run tests:

```shell

go test ./... -v

```

### DNS Client

To run the DNS client:

```shell

go run ./cmd/client/client.go [-s server] [-p port] [-x]  [question_type]

```

Options:

- `-h`: show help

- `-s`: specify the DNS resolver server IP to query (defaults to local resolver)

- `-p`: specify the DNS resolver server port to query (defaults to 53)

- `-x`: enable reverse DNS query (default: false)

### DNS Server

To run the DNS server:

```shell

go run ./cmd/server/server.go

```

The server runs on `127.0.0.1:5553`.

To test the server with `dig`:

```shell

dig @127.0.0.1 -p 5553 example.com A

```

To test the server with the included client:

```shell

go run ./cmd/client/client.go -s 127.0.0.1 -p 5553 example.com A

```

---

Made by mcombeau | LinkedIn: [mcombeau](https://www.linkedin.com/in/mia-combeau-86653420b/) | Website: [codequoi.com](https://www.codequoi.com)