rdp — Domain WHOIS & RDAP Lookup CLI (macOS / Linux)

rdp is a lightweight command-line tool for performing modern WHOIS lookups using the RDAP protocol.
It provides clean and structured output including registrar details, registration dates, domain status, and nameservers.

✨ Features

• Fetches official RDAP registry data (the modern replacement for WHOIS)
• Displays:
  • Domain Status
  • Registrar Name + Abuse Contact
  • Registration / Expiration / Last Update Dates
  • Nameservers
• Supports:
  • Raw JSON (--raw)
  • Pretty JSON (--json)
• No external dependencies (pure Python standard library)
• Works on macOS + Linux

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🛠 Installation

1. Save the script

nano rdp

2. Make it executable

chmod +x rdp

3. Move it into your system PATH

macOS (Intel):

sudo mv rdp /usr/local/bin/rdp

macOS (Apple Silicon):

sudo mv rdp /opt/homebrew/bin/rdp

Linux:

sudo mv rdp /usr/bin/rdp

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🚀 Usage

Basic Lookup

rdp example.com

Pretty JSON Output

rdp example.com --json

Raw JSON Output (machine-readable)

rdp example.com --raw

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🧾 Example Output

Domain: example.com
Status: client transfer prohibited

Registrar: Register name, Inc.
Abuse Email: abuse@example.com

Registration Lifecycle:
  Registered : 2025-02-11T01:30:30Z
  Expires    : 2026-02-11T01:30:30Z
  Updated    : 2025-09-20T14:55:02Z

Nameservers:
  - ns1.example.com
  - ns2.example.com

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📄 License

MIT — Free to use, modify, and distribute.