SPFcheck.io

1 About

SPFcheck.io is my way of helping fellow techs setup, troubleshoot and support secure email platforms.

Domain names entered into this site are sent to the AWS cloud where a Lambda function performs a DNS lookup against Route53.

Screenshot of spfcheck.io

2 Architecture

The project is built with the AWS Amplify service. It uses:

  • API Gateway - To present a server less REST API to the world.
  • AWS Lambda - To perform SPF record checks on-demand. Coded with Node.JS.
  • AWS S3 - HTML, CSS and JS hosting.

Here’s a diagram with a high-level overview of how it works:

Diagram of spfcheck.io server architecture

3 More info

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