SPFmonitor
Complex email protection made simple
Homepage
How To
Tools
All Tools
Overview of all tools and guides
Domain Analysis
Comprehensive domain check – SPF, DKIM, DMARC, HTTPS.
HTTPS Analysis
Validate HTTPS configuration, certificate, and security headers.
DNS Lookup
Query DNS records (A, MX, TXT, NS, etc.).
Domain without email
Recommended configuration for domains that don’t send mail (Null MX, SPF -all, DMARC p=reject) with notes on exceptions and monitoring.
SPF Analysis
Check SPF record, find issues, and get recommendations.
SPF Designer
Build your SPF record step-by-step with a guided wizard.
SPF Editor
Edit or validate your SPF record.
DKIM Analysis
Analyze DKIM keys and signatures to spot misconfigurations.
DKIM Designer
Build your DKIM record step-by-step with a guided wizard.
DKIM Editor
Edit or validate your DKIM record.
DMARC Analysis
Evaluate DMARC policy with guidance on strictness and reporting.
DMARC Designer
Design your DMARC policy step-by-step with guidance.
DMARC Editor
Edit or validate your DMARC record.
Guides
Reset DNS cache
Blog
Contacts
English
Čeština
We are running in a testing phase — please be patient and share your feedback.
Give feedback
Website
Your feedback
Specific notes help us improve the tool for you.
Name (optional)
Email (optional)
I want to be contacted
Submit
Cancel
Your emails can be
secure
and
always delivered
.
Protect
.
Enter domain name:
Check domain