Free SSL Certificate Checker & TLS Security Inspector
Perform an active TLS handshake on port 443 to inspect certificate health, validity windows, issuer credentials, and modern cipher suite encryption.
SSL Certificate Checker
Real-Time Execution Engineπ How to Use This Tool
- Enter your domain name (e.g. nexura.ltd or example.com).
- Click 'Run SSL Certificate Checker Analysis'.
- Our server opens an active TLS stream socket to verify the x509 certificate.
- Review validity status, expiration dates, days remaining, and issuer details.
β What This Tool Analyzes / Generates
Opens a secure socket on port 443, extracts x509 certificate parameters, verifies expiration dates, calculates remaining days, and reports certificate issuer information.
β What It Does NOT Check
Does not perform invasive vulnerability scans or deep cryptographic private-key audits.
βοΈ Technical Implementation & Best Practices
Search engines mark sites without valid SSL as 'Not Secure' in browser address bars and penalize them in organic rankings.
β Frequently Asked Questions
What happens when an SSL certificate expires?
Browsers display full-screen security warnings, terminating user traffic and eroding brand trust immediately.
Does Google treat HTTPS as a ranking factor?
Yes, HTTPS has been a confirmed Google search ranking signal since 2014.
How often should SSL certificates be renewed?
Standard Let's Encrypt certificates are valid for 90 days, while commercial certificates typically require annual renewal.
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