RepClient

RepClient is a fast, flexible simple CLI tool for querying and streaming DNS records (A, AAAA, NS, MX, TXT, CNAME) from rep API with support for config files, multithreading, and output to multiple formats.

---

Client Commit/Release Notifications

API Info/Updates

---

Demo

Features

• Load DNS records from list files or streams
• Process A and AAAA DNS records with typed handling
• Read input from file with auto type-detection
• Utility functions for saving output in .json, .csv, .txt, or .ndjson formats
• Flexible command-line argument parsing
• Configurable via TOML
• Verbose and structured logging with logrus
• and many more. you can check yourself

Installation

📁 From Release

Download the latest precompiled binary from the Releases page.

🔧 From Source

git clone https://github.com/Doom-z/RepClient.git
cd RepClient
cp config.example.toml config.toml
go mod tidy
go build -o repclient ./cmd

Choose the appropriate binary for your OS and architecture, then give it executable permissions if needed:

chmod +x repclient

Options

Flag	Description	Default
--trial	Free Version Query supported all dns except ipv6 with limited results ( upto 1k )	false if apikey is @repproject forced set to true
--ipv4, -i	Query A record for given IPv4 address
--ipv6	Query AAAA record for given IPv6 address (requires --full)
--ns, -s	Query NS record
--cname, -n	Query CNAME record
--txt, -t	Query TXT record
--mx, -m	Query MX record
--list-file, -l	Input file with multiple entries
--full, -f	Use full mode (for A/AAAA record streaming) use this if you want to use this your output format must be ndjson	false
--max-total-output-ip, -m	Maximum records to fetch per IP	100
--page-size, -p	Page size for pagination	100
--output, -o	Write results to output file	false
--threads, -t	Number of threads to use when reading list files	1
--verbose, -v	Enable verbose logging	false
--config, -c	Path to TOML config file	config.toml

---

🧩 Example Workflows

Query a Single IP

./repclient -i 8.8.8.8 -o

Query using custom name file config

./repclient --ipv6 2606:4700:4700::1111 -c myconfig.toml

Query in Full Mode (A or AAAA) with output enabled

./repclient --ipv6 2606:4700:4700::1111 --full -o

Query Using a List File with output enabled and 5 threads

./repclient -l targets.txt -o --threads 5

---

🙌 Contributing

PRs welcome! Please open an issue for discussion before submitting breaking changes.