241 lines
7.9 KiB
Markdown
241 lines
7.9 KiB
Markdown
<!-- PROJECT LOGO -->
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<br />
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<p align="center">
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<h2 align="center">doggo</h2>
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<p align="center">
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🐶 <i>Command-line DNS client for humans</i>
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<br/>
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<a href="https://doggo.mrkaran.dev">doggo.mrkaran.dev</a>
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</p>
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<img src="www/static/doggo.png" alt="doggo CLI usage">
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</p>
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---
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**doggo** is a modern command-line DNS client (like _dig_) written in Golang. It outputs information in a neat concise manner and supports protocols like DoH, DoT and DNSCrypt as well.
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It's totally inspired from [dog](https://github.com/ogham/dog/) which is written in Rust. I wanted to add some features to it but since I don't know Rust, I found it as a nice opportunity
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to experiment with writing a DNS Client from scratch in `Go` myself. Hence the name `dog` +`go` => **doggo**.
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## Features
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- Human readable output - supports **colors** and **tabular** format.
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- Supports **JSON** format - can be useful while writing scripts.
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- Has support for multiple transport protocols:
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- DNS over **HTTPS** (DoH)
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- DNS over **TLS** (DoT)
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- DNS over **TCP**
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- DNS over **UDP**
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- DNS over **DNSCrypt**
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- Supports **ndots** and **search** configurations from `resolv.conf` or command-line arguments.
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- Supports multiple resolvers at once.
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- Supports IPv4 **and** IPv6 _both_.
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- Available as a web tool as well: [https://doggo.mrkaran.dev](https://doggo.mrkaran.dev).
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- Shell completions for `zsh` and `fish`.
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- Reverse DNS Lookups.
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## Installation
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### Binary
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You can grab the latest binaries for Linux, MacOS and Windows from the [Releases](https://github.com/mr-karan/doggo/releases) section.
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For eg, to pull the latest `linux-amd64` binary:
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```shell
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$ cd "$(mktemp -d)"
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$ curl -sL "https://github.com/mr-karan/doggo/releases/download/v0.3.7/doggo_0.3.7_linux_amd64.tar.gz" | tar xz
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$ mv doggo /usr/local/bin
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# doggo should be available now in your $PATH
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$ doggo
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```
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### Docker
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Images are hosted on Github Container Registry (ghcr.io).
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You can view all the tags [here](https://github.com/users/mr-karan/packages/container/package/doggo). It even supports **ARM** so you can spin up a container on your RPi to do DNS lookups, cause why not.
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**Pull**
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`docker pull ghcr.io/mr-karan/doggo:latest`
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**Running**
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You can supply all arguments to the CLI directly to `docker run` command. Eg:
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`docker run ghcr.io/mr-karan/doggo:latest mrkaran.dev @1.1.1.1 MX`
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### Package Managers
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#### Arch
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```bash
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yay -S doggo-bin
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```
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### From Source
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You need to have `go` installed in your system.
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```bash
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$ go install github.com/mr-karan/doggo/cmd/doggo@latest
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```
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The binary will be available at `$GOPATH/bin/doggo`.
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## Usage Examples
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**Do a simple DNS Lookup for `mrkaran.dev`**
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```bash
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$ doggo mrkaran.dev
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NAME TYPE CLASS TTL ADDRESS NAMESERVER
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mrkaran.dev. A IN 20s 13.250.205.9 127.0.0.1:53
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mrkaran.dev. A IN 20s 206.189.89.118 127.0.0.1:53
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```
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**Query MX records for `github.com` using `9.9.9.9` resolver**
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```
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doggo MX github.com @9.9.9.9
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NAME TYPE CLASS TTL ADDRESS NAMESERVER
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github.com. MX IN 3600s 10 alt3.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 5 alt1.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 10 alt4.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 5 alt2.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 1 aspmx.l.google.com. 9.9.9.9:53
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```
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or using _named parameters_:
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```bash
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$ doggo -t MX -n 9.9.9.9 github.com
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NAME TYPE CLASS TTL ADDRESS NAMESERVER
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github.com. MX IN 3600s 10 alt3.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 5 alt1.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 10 alt4.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 5 alt2.aspmx.l.google.com. 9.9.9.9:53
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github.com. MX IN 3600s 1 aspmx.l.google.com. 9.9.9.9:53
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```
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**Query DNS records for `archive.org` using Cloudflare DoH resolver**
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```bash
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$ doggo archive.org @https://cloudflare-dns.com/dns-query
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NAME TYPE CLASS TTL ADDRESS NAMESERVER
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archive.org. A IN 41s 207.241.224.2 https://cloudflare-dns.com/dns-query
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```
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**Query DNS records for `internetfreedom.in` with JSON output**
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```bash
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$ doggo internetfreedom.in --json | jq
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{
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"responses": {
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"answers": [
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{
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"name": "internetfreedom.in.",
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"type": "A",
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"class": "IN",
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"ttl": "22s",
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"address": "104.27.158.96",
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"rtt": "37ms",
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"nameserver": "127.0.0.1:53"
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},
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{
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"name": "internetfreedom.in.",
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"type": "A",
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"class": "IN",
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"ttl": "22s",
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"address": "104.27.159.96",
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"rtt": "37ms",
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"nameserver": "127.0.0.1:53"
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},
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{
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"name": "internetfreedom.in.",
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"type": "A",
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"class": "IN",
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"ttl": "22s",
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"address": "172.67.202.77",
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"rtt": "37ms",
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"nameserver": "127.0.0.1:53"
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}
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],
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"queries": [
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{
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"name": "internetfreedom.in.",
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"type": "A",
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"class": "IN"
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}
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]
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}
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}
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```
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**Query DNS records for `duckduckgo.com` and show RTT (Round Trip Time)**
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```bash
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$ doggo duckduckgo.com --time
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NAME TYPE CLASS TTL ADDRESS NAMESERVER TIME TAKEN
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duckduckgo.com. A IN 30s 40.81.94.43 127.0.0.1:53 45ms
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```
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## Command-line Arguments
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### Transport Options
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URL scheme of the server is used to identify which resolver to use for lookups. If no scheme is specified, defaults to `udp`.
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```
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@udp:// eg: @1.1.1.1 initiates a UDP resolver for 1.1.1.1:53.
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@tcp:// eg: @1.1.1.1 initiates a TCP resolver for 1.1.1.1:53.
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@https:// eg: @https://cloudflare-dns.com/dns-query initiates a DOH resolver for Cloudflare DoH server.
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@tls:// eg: @1.1.1.1 initiates a DoT resolver for 1.1.1.1:853.
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@sdns:// eg: @sdns://AgcAAAAAAAAABzEuMC4wLjEAEmRucy5jbG91ZGZsYXJlLmNvbQovZG5zLXF1ZXJ5
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initiates a DNSCrypt or DoH resolver using its DNS stamp.
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@quic:// eg: @quic://dns.adguard.com
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initiates a DNS over QUIC resolver for Adguard DNS Resolver.
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```
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### Query Options
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```
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-q, --query=HOSTNAME Hostname to query the DNS records for (eg mrkaran.dev).
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-t, --type=TYPE Type of the DNS Record (A, MX, NS etc).
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-n, --nameserver=ADDR Address of a specific nameserver to send queries to (9.9.9.9, 8.8.8.8 etc).
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-c, --class=CLASS Network class of the DNS record (IN, CH, HS etc).
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```
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### Resolver Options
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```
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--ndots=INT Specify ndots parameter. Takes value from /etc/resolv.conf if using the system nameserver or 1 otherwise.
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--search Use the search list defined in resolv.conf. Defaults to true. Set --search=false to disable search list.
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--timeout Specify timeout (in seconds) for the resolver to return a response.
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-4 --ipv4 Use IPv4 only.
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-6 --ipv6 Use IPv6 only.
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```
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### Output Options
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```
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-J, --json Format the output as JSON.
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--color Defaults to true. Set --color=false to disable colored output.
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--debug Enable debug logging.
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--time Shows how long the response took from the server.
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```
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---
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## Contributing
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I'm open to accept feature requests and/or issues. I understand `doggo` is a new DNS Client in the town and there might be some edge cases I am not handling.
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Please feel free to open issues if you ever come across such a case.
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For now I am focussing more on [planned features](TODO.md) for a **stable** v1.0 release _soon_.
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## License
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[LICENSE](LICENSE)
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