SPF Record Generator
Create a valid Sender Policy Framework (SPF) TXT record for your domain.
Comma separated. e.g. _spf.google.com, sendgrid.net
Host / Name
@Type
TXTValue
SPF limits you to 10 DNS lookups (includes/redirects). Ensure your final record doesn't exceed this limit or emails will fail.
Everything about SPF Generator
Detailed insights and instructions for using the diagnostic utility effectively.
What is the SPF Generator tool?
The NetScanner SPF Generator tool is a free, browser-based diagnostic utility designed for developers and IT professionals. It allows you to securely inspect configurations, verify deployments, and troubleshoot issues in real-time. Unlike older tools, this check runs instantly and fetches live data.
How to use it
Simply enter your target domain name, IP address, or input string into the scanner above and hit Run Analysis. The tool will automatically parse your input, execute the necessary network requests from our secure proxy, and return the formatted results.
Understanding the Results
Our SPF Generator tool not only provides raw data but also highlights expert recommendations. Look for yellow warning banners—these indicate potential security vulnerabilities or misconfigurations that you should address.
Limitations
Results are cached for a few seconds to prevent abuse. If you recently updated your DNS records or server configuration, please allow time for global DNS propagation before running the check again.
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Tool Details & Usage
Information on inputs, outputs, and limitations.
Overview
Generates an SPF TXT record based on user-provided mail sources.
Inputs
- Target: Domain and authorized sources (IPs, third-parties)
Output Interpretation
- Results: Outputs the SPF record string.
Examples & Limitations
- Example Use Case: Authorizing Google Workspace or Microsoft 365 to send emails.
- Limitation: Does not automatically publish to DNS.
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