SPF Record Validator

Validate Sender Policy Framework (SPF) records, test mechanisms, count DNS lookups, and prevent PermError.

Runs locally in your browser · Optional server lookup for live domain records
Loading workspace...
Advertisement

How It Works

Audit SPF records against RFC 7208 standards. Evaluates qualifier mechanisms (+all, -all, ~all), counts DNS lookups against the strict 10-lookup threshold, detects syntax errors, and validates email sending authorization.

Privacy & Processing

Runs locally in your browser · Optional server lookup for live domain records. Unlike ad-supported directories, there are no third-party trackers, promotional popups, or artificial download delays.

Frequently Asked Questions

How does SPF Record Validator process my data?

This utility executes 100% locally in your browser memory via client-side JavaScript and WebAssembly. No files, calculations, or raw inputs are uploaded to external servers.

Are there usage limits or account registration required?

No account or paid subscription is required. All production tools are accessible directly with zero mandatory registration or artificial delays.

Does SPF Record Validator produce official scoring or ranking guarantees?

Diagnostic and analytical tools provide objective technical measurements and recommendations based on documented web standards. Diagnostic scores do not predict search engine rankings or guarantee business outcomes.

Advertisement

Related Tools

Specialized workflows in Website & Performance

All in Website & Performance
Advertisement