Check your SPF, DKIM & DMARC email security
See whether your business domain is properly protected against email spoofing and delivery problems. Use our free email authentication check for SPF, DKIM and DMARC, then get clear help fixing anything that needs attention.
Start with a free domain security check.
SPF, DKIM and DMARC help receiving mail systems determine whether messages using your domain are legitimate. Misconfiguration can contribute to spoofing risk and email delivery problems. Run the scan below to see where your domain stands.
Free SPF, DKIM & DMARC checker
Enter your business domain to check its email authentication posture. The scan looks for SPF, DKIM and DMARC protections that help prevent domain spoofing, phishing and legitimate email delivery problems.
SPF Check
See whether your domain identifies the systems authorized to send email on its behalf.
DKIM Check
Check for the cryptographic signing configuration used to authenticate outgoing messages.
DMARC Check
Review the policy that ties authentication together and provides reporting and enforcement.
Finding a problem is the easy part. We help you fix it.
Green Street can implement and manage email authentication for your business without turning DNS records and authentication reports into another job for your staff.
SPF ConfigurationIdentify legitimate sending services and maintain an accurate authorization record.
DKIM ConfigurationEnable and validate signing for supported mail systems and third-party senders.
DMARC ImplementationEstablish reporting first, understand your traffic, and move toward enforcement safely.
Authentication MonitoringReview sending sources, failures, alignment problems and unexpected activity.
Deliverability Best PracticesHelp address authentication, sender alignment and other configuration issues affecting legitimate mail.
Ongoing ManagementUpdate authentication as vendors, applications and sending services change.
Understand the new rules for business email.
Our guide explains SPF, DKIM, DMARC, authentication and the steps businesses should take to improve email security and deliverability.
Get the guide by email and use it as a practical checklist for reviewing your business domain.
Get the Free Guide
New Email Security Requirements for Top Email Providers
Enter your information below and we’ll send the guide to your inbox.
Not sure what your scan results mean?
Green Street can review your domain, explain what needs attention, and help put the right protections in place.