DumbWhois

Overview of DumbWhois

DumbWhois is a free, open-source web application for WHOIS, IP, and ASN lookups using multiple free APIs. It automatically detects query types – domain, IP, or ASN – and delivers formatted results through a modern interface with dark mode support. Perfect for Network Monitor and IP Scanner tasks, it requires no authentication or API keys, simplifying access to network information for professionals and enthusiasts alike.

The tool supports all TLDs, including ccTLDs, with direct WHOIS protocol queries, and uses fallback services for IP geolocation to ensure reliability. With features like IPv6 compatibility, responsive design, and no rate limits on WHOIS lookups, DumbWhois is an essential resource for domain verification, IP address analysis, and network infrastructure management.

How to Use DumbWhois

To use DumbWhois, simply visit the web application at the official website, enter any domain name, IP address (IPv4 or IPv6), or ASN number in the search field. The system automatically detects the query type and displays results in a clean format with source attribution. URL query parameters allow direct lookups, and permalink anchors facilitate sharing specific sections. No login or signup is required, making it instantly accessible for quick checks and workflow integration.

Core Features of DumbWhois

1. Automatic Query Detection – Intelligently identifies domain, IP, or ASN queries without manual input
2. Comprehensive WHOIS Lookup – Supports all TLDs including ccTLDs with direct protocol queries
3. Multi-Service IP Geolocation – Uses multiple fallback services for reliable IP address information
4. Full Network Protocol Support – Complete IPv4 and IPv6 compatibility with DNS resolution
5. Modern Responsive Interface – Clean design with dark mode and mobile-optimized layout

Use Cases for DumbWhois

• Domain ownership verification and registration date checking
• IP address geolocation for security incident investigation
• Network infrastructure analysis using ASN lookup capabilities
• Cybersecurity threat intelligence and attribution research
• Website development and domain portfolio management
• Network troubleshooting and connectivity issue diagnosis
• Academic research and educational networking demonstrations

Support and Contact

For support, contact contact@github.com or visit the GitHub repository for issues and feature requests. Community support is also available through the project's channels.

Company Info

DumbWhois is developed by DumbIdeas, an open-source project hosted on GitHub. The team focuses on creating simple, effective solutions for common technical challenges.

Login and Signup

DumbWhois requires no login or signup; it is immediately accessible at the official website for all users.