DMARC / SPF Checker
Look up SPF and DMARC TXT records with a public DNS resolver.
Uses Google Public DNS over HTTPS. The resolver receives the domain or address.
What this tool does
Look up SPF and DMARC TXT records with a public DNS resolver. The controls above are designed to help you complete this task in a few clear steps.
How DMARC / SPF Checker works
- Choose a file or enter the value you want to work with.
- Set the available options for the result you need.
- Run the tool, review the result, and download or copy it.
Tips and limitations
Review the result before using or sharing it, especially when it will be part of a published or business document.
Privacy and file handling
Most tools on The Tools Kit process selected files or text in your browser without sending them to our server. The AI Image Enhancer can send a selected image to a configured processing provider when enabled. Read the Privacy Policy before using that feature with personal or confidential material.
Frequently Asked Questions
What does DMARC / SPF Checker do?
Look up SPF and DMARC TXT records with a public DNS resolver.
How does DMARC / SPF Checker work?
Look up SPF and DMARC TXT records with a public DNS resolver. The controls above are designed to help you complete this task in a few clear steps.
Do I need an account to use it?
No account is required. Use the controls on this page and review the result before you copy or download it.
Is my information uploaded or saved?
This lookup sends the entered domain, URL, IP address, or image to the provider named in the tool instructions. Check the tool notice and Privacy Policy before entering sensitive information.