Custom Whois Tool

A simple .NET 8 command-line tool for querying WHOIS information for domains and IP addresses using the IANA WHOIS service.

Features

• Queries WHOIS information for a given domain or IP address.
• Follows WHOIS referrals to retrieve complete registration details.
• Outputs raw WHOIS server responses to the console.
• Implements RFC 3912-compliant TCP requests.

Requirements

• .NET 8 SDK
• C# 12.0

Installation

1. Clone the repository: git clone https://github.com/cassie365/ccwhois.git

2. Navigate to the project directory: cd ccwhois

3. Build the project: dotnet build

Usage

Run the executable with a domain or IP address as an argument:

dotnet run "example.com"

Or, if built: ./ccwhois.exe "example.com"

Output:
The tool will print the WHOIS response and follow any referral servers as needed.

Error Handling

• If no argument is provided, the tool will print an error message and exit.