# DNS Doctor

> DNS Doctor — dnsdoctor-claude-plugin. Use this tool when you need to diagnose and fix email authentication issues for a domain, such as SPF, DMARC, and DKIM problems. The DNS Doctor tool analyzes the domain's setup and generates copy-paste fix records to resolve issues with blacklists, domain or SSL expiry, and MX records. It provides a straightforward solution to email delivery problems, returning validated fix records for easy implementation.

Canonical page: https://skillsregistry.net/skills/dnsdoctor-claude-plugin  
JSON: https://api.skillsregistry.net/v1/skills/dnsdoctor-claude-plugin

## Description

Diagnoses a domain's email authentication — SPF, DMARC, DKIM, MX, blacklists and domain or SSL expiry - and returns copy-paste fix records generated by a validating engine, never a language model. The MCP server is hosted remotely; this repository carries the plugin manifest, connector config and bundled skill.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/dmk39i7hs4)
- **Repository:** <https://github.com/dnsdoctor/claude-plugin>

## 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": "dnsdoctor-claude-plugin"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/dnsdoctor-claude-plugin` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/dnsdoctor-claude-plugin/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