Certificate Information
Enter a domain name to check its SSL certificate
Example: google.com, github.com, cloudflare.com
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Check SSL Certificate
Enter any domain name to analyze its SSL/TLS certificate and security configuration.
What We Check:
- Certificate validity & expiration
- Issuer & certificate authority
- Key strength & signature algorithm
- Hostname verification
- Certificate Transparency logging
- Chain validation
Knowledge Base
Frequently Asked Questions
An SSL (Secure Sockets Layer) certificate is a digital certificate that authenticates the identity of a website and encrypts information sent to the server using SSL/TLS technology. Encryption scrambles the data in transit, preventing eavesdropping and tampering.
SSL certificates are crucial for several reasons:
- Security: They encrypt sensitive information (like login credentials, credit card numbers) exchanged between a user's browser and your website, protecting it from cybercriminals.
- Trust: Websites with SSL display a padlock icon and "https://" in the browser, assuring visitors that their connection is secure and the site is legitimate.
- SEO: Search engines like Google use HTTPS as a ranking signal, meaning SSL-secured websites may rank higher in search results.
- Compliance: Many industry standards (e.g., PCI DSS for payment processing) require SSL/TLS encryption.
When an SSL certificate expires, browsers will display a warning message to visitors, indicating that the website is not secure. This can severely damage user trust, lead to a drop in traffic, and negatively impact your search engine rankings. It's critical to renew your certificates before they expire.
- Domain Validated (DV): The simplest and quickest to obtain. Only verifies that the applicant has control over the domain. Suitable for blogs and small websites.
- Organization Validated (OV): Requires verification of the organization's identity in addition to domain control. Provides more trust than DV.
- Extended Validation (EV): The highest level of validation, requiring a thorough vetting process of the organization. Displays the organization's name prominently in the browser interface, offering maximum trust.
A wildcard SSL certificate secures a domain and all its subdomains with a single certificate. For example, a wildcard certificate for *.example.com would secure mail.example.com, www.example.com, and any other subdomain. This is cost-effective for websites with multiple subdomains.
Yes, you can check any publicly accessible domain's SSL certificate. The tool connects to port 443 (HTTPS) and retrieves certificate information including validity dates, issuer information, supported domains, and security configuration details. Private or internal domains may not be accessible.
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ENGINYRING provides web hosting, virtual servers, and domain registration with included SSL certificates.
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