# DmarcDkim.com

> Use this tool when you need to verify email authentication configurations and prevent spoofing. It provides a hosted server for validating DMARC, SPF, and DKIM setups, offering DNS lookup, DMARC checking, SPF validation, and merge functionality to ensure compliance and improve email deliverability. Ideal for email security professionals and developers, it takes DNS records and domain information as input and returns validation results and optimized SPF records as output.

Canonical page: https://skillsregistry.net/skills/dmarcdkim  
JSON: https://api.skillsregistry.net/v1/skills/dmarcdkim

## Description

DmarcDkim.com provides a hosted MCP server for DNS and email authentication validation, enabling developers to programmatically verify DMARC, SPF, and DKIM configurations. The server offers four core tools: DNS lookup for querying A, AAAA, MX, TXT, NS, CNAME, PTR records and WHOIS data; DMARC checking with error detection; SPF validation with RFC 7208 compliance checking and circular reference detection; and SPF merge functionality to consolidate multiple SPF records into optimized single records. Built for email security professionals and developers managing domain authentication, the service helps prevent email spoofing, improve deliverability, and ensure email authentication compliance.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/dmarcdkim)

## 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": "dmarcdkim"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/dmarcdkim` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/dmarcdkim/pull`

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