One input Security checks Clear output

System check

Run a fast, structured health check across DNS, SSL, security headers, email DNS, and uptime. Designed to help you spot the root cause quickly and decide what to fix first.

DNS
A/AAAA, CNAME, MX + propagation hints
SSL
Expiry, chain, and basics you can trust
Headers
Security headers + practical recommendations

Run a check

Enter a domain (or host) and select the checks you want to run.

Tip: use the root domain for email DNS (SPF/DKIM/DMARC).
Results appear below after each system check run.

Results

A structured view you can copy into tickets and share with stakeholders.

Run a system check to see live results here.

Recommendations

Small changes that improve safety and reliability quickly.

Recommendations will appear here after a system check run.

FAQ

Quick answers to common questions.

Do I enter a full URL or just a domain?
Use the domain (e.g. example.com). The checks will target common endpoints and records.
What does “headers” mean?
HTTP response headers that improve security posture (e.g. HSTS, CSP) and reduce common browser attack paths.
Can I share the results?
Yes — the layout is designed to be copied into tickets and shared with your team.
Tools

Need help fixing what the check finds?

If the results flag DNS, SSL, headers or email configuration issues, we can resolve them properly and keep them stable over time.

No obligation. Straight answers. Built around your requirements.
Security-first Performance Real support