Free Email Security Checker

Check if your emails are trusted — before they go to spam.

Cyboruz checks SPF, DKIM, DMARC, blacklist status and wider domain trust signals so you can understand whether your email setup is helping or hurting deliverability.

Check Email Setup How It Works
SPF, DKIM & DMARC Blacklist visibility Expert fixes available
Run a free email security check Enter your domain to check SPF, DKIM, DMARC, blacklist status and email trust signals in seconds.
SPF DKIM DMARC Blacklists Domain trust
Hidden email problems

Your email can look fine but still fail trust checks.

Inbox providers use authentication and reputation signals to decide whether your messages should reach the inbox, land in spam or be rejected completely.

Messages go to spam

Missing or incorrect email authentication can reduce trust and make legitimate messages harder to deliver.

Your domain can be spoofed

Weak SPF, DKIM or DMARC settings can make it easier for others to impersonate your domain.

Reputation issues are missed

Blacklist and domain reputation problems can quietly affect leads, invoices, client replies and support emails.

What we check

SPF, DKIM and DMARC explained clearly.

Cyboruz helps turn technical DNS records into plain-English results so you can see what is working, what is missing and what needs attention.

SPF

Who can send for your domain?

SPF tells receiving servers which services are allowed to send email on behalf of your domain.

DKIM

Can your messages be verified?

DKIM adds a cryptographic signature that helps prove a message was not altered in transit.

DMARC

What should happen if checks fail?

DMARC gives receiving servers instructions when SPF or DKIM checks do not align properly.

Cyboruz dashboard

Your email checks, website security and domain trust in one report.

Cyboruz does more than check email records. It gives you a wider view of your website, domain, SSL, blacklist status and security signals.

SPF, DKIM and DMARC results in one place
Blacklist and domain reputation visibility
Ongoing monitoring and expert fix support available
Cyboruz email and domain trust report
Ongoing protection

Email trust can change without warning.

DNS records change, services are added, domains get flagged and policies become outdated. A one-time check helps today, but monitoring helps keep you protected over time.

Without monitoring

  • SPF records become outdated after switching email services
  • DMARC remains missing or too weak to protect your domain
  • Blacklist problems are only discovered after emails fail
  • Leads, invoices and customer replies may be missed

With Cyboruz

  • Email authentication checks stay visible in your dashboard
  • Wider domain trust and blacklist signals are easier to track
  • Clear recommendations show what needs fixing first
  • Expert support can help resolve technical issues for you
Built for businesses

Protect the messages your business relies on.

Email trust matters for sales enquiries, invoices, password resets, client updates, support tickets and every message your business needs delivered.

Improve deliverability confidence

Understand the email trust signals that may affect whether your messages reach the inbox.

Strengthen domain protection

Review authentication records that help protect your domain from spoofing and impersonation.

Get help fixing issues

Not technical? Cyboruz can help you understand what needs changing and offer expert fix support.

Check your email setup before more messages go missing.

Run a free Cyboruz check to review SPF, DKIM, DMARC, blacklist status and wider domain trust signals.

No technical knowledge required. Takes seconds to start.