# dns-mcp

> Use this tool when you need to perform DNS resolution, reverse DNS lookups, or retrieve IP geolocation information without requiring API keys. It provides a simple interface for querying public upstream servers, solving problems related to domain and IP address investigation. Ideal for use cases involving network debugging, cybersecurity research, or general IP address analysis.

Canonical page: https://skillsregistry.net/skills/r0bin2u-dns-mcp  
JSON: https://api.skillsregistry.net/v1/skills/r0bin2u-dns-mcp

## Description

MCP server providing DNS resolution, reverse DNS, RDAP-based WHOIS, and IP geolocation lookups. No API keys required , and all upstreams are public.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** maps-location
- **Updated:** 2026-09-02

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/d4y1k42r9c)
- **Repository:** <https://github.com/r0bin2u/dns-mcp>

## Use it

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": "r0bin2u-dns-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/r0bin2u-dns-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/r0bin2u-dns-mcp/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