Free Email Deliverability Tools
Everything you need to improve your email deliverability. Check your domain health, blacklist status, spam words, and generate DNS records.
Domain Health Checker
Check your SPF, DKIM, DMARC, and MX records to ensure proper email authentication.
- SPF validation
- DKIM detection
- DMARC analysis
- MX record check
Blacklist Checker
Check if your IP address or domain is listed on email blacklists that could hurt deliverability.
- 40+ blacklists
- IP & domain check
- Delisting links
- Detailed results
Spam Word Scanner
Analyze your email content for spam trigger words and get AI-powered rewrites.
- Spam score
- Word highlighting
- AI rewrite
- Spintax generation
DNS Record Generator
Generate the correct DNS records for your email provider with setup guides.
- Multiple providers
- Copy-ready records
- Setup guides
- Zone file format
DNS Record Checker
Verify your DNS records are properly configured against provider requirements.
- Compare records
- Provider validation
- Issue detection
- Fix recommendations
Inbox Placement Tester
A/B test your email variations to see which lands in the inbox most often.
- A/B testing
- 15 seed addresses
- Gmail & Workspace
- Real placement data
Ready to improve your email deliverability?
Create a free account to get 3 uses per day on all tools.
Why Email Deliverability Matters
Email deliverability determines whether your emails reach the inbox or get lost in spam folders. Poor deliverability means wasted effort on emails that never get seen.
How These Tools Help
Our free tools help you identify and fix common deliverability issues:
- Domain Health Checker ensures your email authentication is properly configured
- Blacklist Checker alerts you to reputation issues that could block your emails
- Spam Word Scanner helps you avoid content that triggers spam filters
- DNS Generator makes setting up new domains quick and error-free
- Inbox Placement Tester lets you A/B test email variations to find what lands in the inbox
Free vs Paid Plans
All tools are free to use with account limits:
- Free accounts: 3 uses per day per tool
- Paid accounts: 100 uses per week per tool