domain-research

Check domain availability and retrieve WHOIS/RDAP registration details.

6|4|Updated Feb 27, 2026
One-click install
npx skills add https://github.com/kortix-ai/kortix-registry --skill domain-research-kortix-ai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: domain-research
Source: https://github.com/kortix-ai/kortix-registry/tree/main/files/skills/domain-research
Command: npx skills add https://github.com/kortix-ai/kortix-registry --skill domain-research-kortix-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill provides free, instant domain availability checking and WHOIS/RDAP lookups without requiring any API keys or setup, making domain research quick and accessible.

Core Features & Use Cases

  • Availability Checking: Determine if a domain name is available across numerous TLDs.
  • WHOIS/RDAP Lookups: Retrieve detailed registration information, including registrar, dates, and nameservers.
  • Keyword Search: Find available domains based on a keyword across various TLDs.
  • Bulk Checking: Analyze lists of domains from a file for availability.
  • Use Case: A user wants to know if my-awesome-project.com and my-awesome-project.ai are available, and if not, who owns them.

Quick Start

Use the domain-research skill to check if the domain 'example.com' is available.

Frequently Asked Questions about domain-research

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check if a domain name is available across multiple TLDs?▼

This tool checks domain availability across multiple TLDs by searching a provided keyword against various extensions, reporting which domains are open for registration.

How can I retrieve WHOIS and RDAP registration details for a registered domain?▼

You can retrieve WHOIS and RDAP registration details by querying the domain, which returns the registrar, registration dates, expiry dates, and nameservers using the RDAP protocol with a WHOIS fallback.

Do I need an API key to perform a WHOIS lookup or check domain availability?▼

No API keys are needed to check domain availability or perform WHOIS lookups. The tool uses Python scripts with the RDAP protocol and a WHOIS CLI fallback for free, instant results.

Can I check domain availability in bulk for a list of domains?▼

Yes, you can check domain availability in bulk by analyzing a list of domains from an input file, allowing you to determine registration status for multiple domains at once.

What is the difference between RDAP and WHOIS for domain lookups?▼

RDAP is the primary protocol used for domain lookups, while WHOIS CLI serves as a fallback to ensure comprehensive coverage when retrieving registration details like nameservers and expiry dates.

How do I find out who owns a domain name and when it expires?▼

To find out who owns a domain and when it expires, perform a WHOIS lookup to retrieve full registration details, including the registrar, creation dates, and exact expiry dates.