DMARC Parser API

A Python Flask application that serves as a DMARC parser API. Parse a provided DMARC record and to check the current DNS DMARC record. Simple as that.

Requirements

• Python: 3.9 or higher
• Docker
• Docker Compose

Installation

Environment Variables

PYTHONUNBUFFERED=1
FLASK_ENV=development
API_KEY=your_api_key

Running the Application

Using Docker

1. Build and Run the Application

   docker-compose up --build

2. Access the API

   App root: http://localhost:8080.

Usage

Parse DMARC Record

• Endpoint

  POST /parse_dmarc
  

• Headers

  x-api-key: your_api_key
  Content-Type: application/json

• Request Body

  {
    "dmarc_record": "v=DMARC1; p=none; rua=mailto:[email protected]"
  }

• Response

  {
    "v": "DMARC1",
    "p": "none",
    "rua": "mailto:[email protected]"
  }

• Example with curl

  curl -X POST \
       -H "Content-Type: application/json" \
       -H "x-api-key: your_api_key" \
       -d '{"dmarc_record": "v=DMARC1; p=none; rua=mailto:[email protected]"}' \
       http://localhost:8080/parse_dmarc

Check DNS DMARC Record

• Endpoint

  GET /check_dmarc/<domain>
  

• Headers

  x-api-key: your_api_key

• Response

  {
    "v": "DMARC1",
    "p": "reject",
    "rua": "mailto:[email protected]"
  }

• Example with curl

  curl -H "x-api-key: your_api_key" \
       http://localhost:8080/check_dmarc/example.com

Contributing

I created this API for a personal project and wanted to publish it. Feel free to fork or contribute it. But please don't expect me to maintain it on ocassion.