Email Header Analyzer
Review pasted email headers for sender, route and authentication clues.
Generate SPF TXT records for common email sending domains and IPs.
Live
Status
Free
Access
Browser workflow
Mode
SPF Record Generator is one useful step. Explore related TanzaiTools categories to finish the broader task with less switching between websites.
Browse all toolsSPF Record Generator creates DNS TXT records for domains that send email through services such as Google Workspace or marketing platforms. It is useful for site owners, agencies and operations teams setting up safer email authentication. SPF affects deliverability, so include only real sending services and avoid multiple SPF TXT records on the same domain.
Generates SPF TXT record values
Supports include domains and IP inputs
Useful for email deliverability setup
Adds DNS checklist
Helps avoid duplicate SPF records
Enter the DNS host or domain
Add include domains in the secondary field
Optionally add IPs in numeric fields
Publish one TXT record and test mail delivery
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Trust and safety
SPF Record Generator is provided as a practical online utility. Review outputs before professional use, especially for sensitive, financial, health, security, PDF or AI-assisted workflows.
Open the page, use the live workspace, copy the result and continue to related tools without a forced signup.
Examples, expected outputs, steps and common mistake notes help new users understand the task before using the result.
The page connects to relevant security tools and guides so the workflow does not stop after one action.
Because this category can involve sensitive input, remove private details when possible and verify outputs before professional use.
Access
Free to use
Account
No forced signup
Processing
Check the workspace privacy note
Category
Security
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