Free email tools for DNS, deliverability, headers, and testing
Run MailSlurp tools for SPF, DKIM, DMARC, MX lookup, email header analysis, spam checks, inbox placement, campaign QA, SMTP checks, and generated test inbox workflows.
DNS
- BIMI Checker
- BIMI checker for DNS and brand logo readiness
- BIMI record generator
- DKIM Checker, DKIM Lookup, and DKIM Test
- DMARC Checker and DMARC Lookup for Policy, Alignment, and Reports
- DMARC record generator
- DMARC Validator
- DNS lookup tool for email records
- Free DKIM Record Generator
- Free DMARC Checker and DMARC Domain Lookup
- Free DNS Propagation Checker
- Free MTA-STS Checker and Policy Lookup
- Free MX Record Checker and Mail Exchanger Lookup
- Free SPF Record Generator
- Free TLS Reporting Checker and TLS-RPT Lookup
- MTA-STS record generator
- MX lookup guide for mail exchanger records and MX record checks
- SPF Checker, SPF Lookup, and SPF Record Check
- TLS reporting record generator
Email health
- Email Checker: Check If an Email Is Valid Before Signup, Import, or Send
- Email Header Analyzer and Message Header Analyzer
- Email Spam Checker and Spam Tester Workflow for Pre-Send QA
- Free DMARC Report Analyzer
- Free Domain Monitor and Email Domain Health Checker
- Free Email Authentication Checker | SPF DKIM DMARC
- Free Email Blacklist Checker for Domain and IP
- Free Reverse DNS Lookup and PTR Check
- Free SMTP Tester and SMTP Test Tool for STARTTLS and Auth
- Free Spam Test and Inbox Placement Check
- Inbox Placement Test and Email Deliverability Checker for Gmail and Outlook
- Spam Score Checker for Pre-Send QA