// DOMAIN SECURITY INTELLIGENCE

Scan. Detect.
Protect Your
Domains.

Automatically detect vulnerabilities, misconfigurations and security threats across all your domains. Get a full security report in minutes — SSL, open ports, HTTP headers, CVEs and subdomains.

Start for Free → See how it works
5+
Scan modules
A–F
Security grade
<3min
Full scan time
domainscan — scanning mycompany.com
$ domainscan mycompany.com
▶ Verifying domain ownership...
✓ DNS TXT record confirmed
▶ nmap -sV --top-ports 100...
⚠ Port 8080 open (HTTP-alt)
▶ Checking SSL/TLS...
✓ TLS 1.3 · expires in 87 days
▶ Analyzing HTTP headers...
✗ HSTS header missing
✓ Scan complete — generating report
B
mycompany.com — 3 issues found
SSL
Headers
Ports
// WHAT WE SCAN

Full-spectrum
security analysis

Every scan covers 5 critical security dimensions — from SSL certificates to known CVEs.

🔒
SSL / TLS Analysis
Check certificate validity, expiration, cipher suites, protocol versions and known vulnerabilities like Heartbleed.
TLS 1.3 Heartbleed OCSP CT Logs
🌐
Open Port Detection
Discover exposed services using nmap. Identify dangerous open ports like databases, Redis or SSH that should not be public.
nmap Service detection Version scan
📋
HTTP Security Headers
Verify presence of HSTS, CSP, X-Frame-Options, Referrer-Policy and other headers that prevent common web attacks.
HSTS CSP X-Frame CORS
🕸
Subdomain Enumeration
Discover all subdomains via DNS resolution. Find forgotten dev, staging or admin subdomains that may expose your infrastructure.
DNS lookup subfinder Wildcard
⚡
CVE Vulnerability Scan
Match detected software versions against known CVE databases. Get severity scores and remediation guidance for each finding.
nuclei CVE DB CVSS score
📊
Security Grade Report
Get an overall A–F grade with per-category scores. Track improvements over time and export PDF reports for stakeholders.
A–F grade PDF export History
// HOW IT WORKS

From signup to
security report in 5 min

1
Create Account
Register for free. No credit card required to start scanning your first domain.
2
Add Your Domain
Enter your domain name. We generate a unique verification token for you.
3
Verify Ownership
Add a DNS TXT record to prove you own the domain. Takes under 5 minutes.
4
Get Your Report
Run a full scan and receive a detailed security report with actionable fixes.
// PRICING

Simple, transparent
pricing

Start free. Upgrade when you need more domains or advanced features.

Free
$0
forever free
  • 1 domain
  • 1 scan per week
  • Basic report
  • No monitoring
  • No API access
Get Started
MOST POPULAR
Starter
$19 /mo
billed monthly
  • 3 domains
  • Daily monitoring
  • Full security report
  • Email alerts
  • No API access
Start Free Trial
Pro
$49 /mo
billed monthly
  • 10 domains
  • Daily monitoring
  • PDF reports
  • API access
  • Priority support
Get Started
Agency
$149 /mo
billed monthly
  • Unlimited domains
  • White-label reports
  • Full API access
  • Custom branding
  • Dedicated support
Contact Us
// GET STARTED FREE

Secure your domains
starting today

Join hundreds of developers and security teams who use DomainScan to keep their domains protected. Free forever for 1 domain.

No credit card required
First scan in under 5 minutes
DNS verification — scan only domains you own
Cancel or downgrade anytime
Create your account
// free forever · no credit card