Email Security Suite (SPF, DKIM & DMARC Validator)
Audit email authentication records to prevent domain spoofing and phishing.
Email Health & Security Auditor (SPF, DMARC, MX)
Audit domain email authentication, spoofing protection, and spam-filter deliverability health.
About the Email Security Suite (SPF, DKIM, DMARC)
Audits your domain's email authentication records to ensure Gmail, Yahoo, and Outlook deliver your emails and block malicious spoofers.
How to Use
Enter your email domain name to inspect published SPF TXT records, DMARC policies, and MX server configurations.
Understanding Results
A valid SPF and strong DMARC policy (p=quarantine or p=reject) prevents unauthorized servers from sending emails impersonating your brand.
Frequently Asked Questions
Why did Gmail start requiring DMARC?
In 2024, Google and Yahoo made DMARC mandatory for bulk senders to prevent spam and phishing.
Related DNS & Domains Utilities
Query A, AAAA, MX, TXT, CNAME, NS, SOA, and PTR records for any domain.
Resolve an IPv4 or IPv6 address back to its associated hostname and domain.
Evaluate HSTS, CSP, X-Frame-Options, X-Content-Type-Options, and Referrer-Policy.
Check domain registration age, renewal deadline, registrar, and WHOIS status.