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SSL certificate checker

Check a domain’s SSL certificate, expiry date, issuer and covered hostnames. Review the validity and details of the website’s TLS certificate.

Input

The server queries this domain or URL; results are not stored.

Checks the current HTTPS certificate on port 443 with chain and hostname verification. Expired or untrusted certificates produce a verification error. This is not a complete TLS audit or an ongoing expiry alert service.

Result

No result yet. Fill in the fields and run the tool.


                
            

    

                

    
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How to use

                        
Enter a domain (example.com) or a complete URL (https://example.com/page). The check always uses HTTPS on port 443 of the specified domain. Read the expiry date in UTC and the days remaining.

                                                                                    

        

        
Method and limits

                        
Checks the current HTTPS certificate on port 443 with chain and hostname verification. Expired or untrusted certificates produce a verification error. This is not a complete TLS audit or an ongoing expiry alert service.

                                                                                    

        

        
Practical example

                                                        

    
Usage scenario
        

        
Input
https://example.com/path

        
Result
example.com:443 (HTTPS)

    

                        

                                            

            
Sources

    



    
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