---
title: "Free Security Scan — DNS, Email, TLS | EFROS"
description: "Free domain security scan. Checks DNSSEC, SPF/DKIM/DMARC, MTA-STS, subdomains, TLS, headers, and IP reputation. Report by email."
canonical: https://efros.com/tools/security-scan/
---

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By [Stefan Efros](https://www.linkedin.com/in/stefanefros-cyberdefense/), CEO & Founder, EFROS

Updated · August 6, 2026

# Free security scan

Enter your domain. We check registrar/DNSSEC, SPF/DKIM/DMARC, subdomain exposure, TLS, security headers, and IP reputation. Report arrives in your inbox in 60 seconds.

Domain to scan Run Free Security Score Enter the apex domain you want to scan, for example acme.com. No https:// or www.

Related EFROS resources

## Connect the scan to outcomes

[### EFROS Security service catalog Managed services that operationalize findings from the scan.Open→](https://efros.com/security/) [### MDR if you need detection 24/7 SOC for organizations whose scan reveals coverage gaps.Open→](https://efros.com/security/mdr/) [### vCISO if you need leadership Named operator who owns remediation of scan findings.Open→](https://efros.com/security/vciso/) [### DMARC rollout (email category) Detailed playbook for the email-authentication scan findings.Open→](https://efros.com/resources/dmarc-rollout-guide/) [### Cyber insurance prep Use scan findings as the renewal evidence pack.Open→](https://efros.com/resources/cyber-insurance-readiness-checklist/) [### Review scan with EFROS Book a 20-minute call to discuss specific findings.Open→](https://efros.com/contact/)