# WhoisLookup

> Use this tool when you need to retrieve domain registration information, verify DNS records, or check SSL certificate details. It solves problems related to domain ownership verification, DNS configuration troubleshooting, and SSL certificate validation. The tool accepts domain names as input and returns detailed reports on WHOIS data, DNS records, SSL certificates, and availability status.

Canonical page: https://skillsregistry.net/skills/io-github-therealmrfunguy-whois-lookup  
JSON: https://api.skillsregistry.net/v1/skills/io-github-therealmrfunguy-whois-lookup

## Description

Domain WHOIS, DNS records, SSL certificates, and availability checks.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-04-19

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.therealMrFunGuy%2Fwhois-lookup)

## Use it

MCP endpoint published by the skill: `https://whois.rjctdlabs.xyz/sse`

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "io-github-therealmrfunguy-whois-lookup"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-therealmrfunguy-whois-lookup` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-therealmrfunguy-whois-lookup/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt