SSL Certificate Expiry Checker
Check SSL certificate expiry dates and certificate status
Check your certificate in seconds. Find out when it expires and whether you need to take action.
What is an SSL Certificate Expiry Checker
An SSL certificate expiry checker is a tool that checks an SSL/TLS certificate and shows its expiration date, issuer, hostname validity, and current certificate status. Monitoring certificate expiration helps prevent expired certificates from causing HTTPS warnings, API failures, application outages, and service disruptions.
Enter a domain above to check publicly available certificate information, including:
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SSL certificate expiration date
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Days remaining until certificate expiry
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Certificate issuer
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Domain / hostname validity
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Certificate status
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Potential certificate-expiry risk
Results are displayed directly on your screen after the certificate check is completed.
Why check SSL certificate expiry
An expired SSL certificate can cause HTTPS connection errors, browser security warnings, API failures and disruption to applications or services.
Regular SSL certificate expiry monitoring helps infrastructure and IT teams identify certificates that are approaching their expiration date before they become an operational problem.
For organizations managing multiple domains, subdomains and services, manually tracking certificate expiration dates can become difficult.
How to check SSL certification expiration
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Enter the website domain or hostname.
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Start the certificate check.
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Review the certificate expiration date.
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Check the number of days remaining.
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Verify the certificate issuer and hostname.
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Take action if the certificate is approaching expiration.
What the SSL certificate expiration checker shows
Expiration date
See the date on which the SSL/TLS certificate expires.
Days until expiration
Understand how much time remains before certificate renewal may be required.
Certificate issuer
Identify the Certificate Authority (CA) issuing the certificate.
Hostname validation
Check whether the certificate corresponds to the requested hostname.
Certificate status
Identify certificates that appear healthy or require further attention.
Example:
Certificate expires: January 25, 2027
Days remaining: 150 days
Status: Valid
Issuer: Let's Encrypt
Monitor SSL certificate expiration across multiple domains
Managing SSL/TLS certificates across websites, APIs, subdomains, cloud services, and internal applications can quickly become difficult.
Each certificate has its own expiration date, renewal process, and deployment requirements.
One missed renewal can lead to HTTPS errors, failed APIs, application outages, and service disruption. Manual tracking makes it easy for certificates to slip through the cracks—especially as your environment grows.
You need centralized visibility into certificate expiration before expiration becomes an incident.
SSL certificate expiry vs. certificate management
Checking an expiration date is only one part of certificate management.
A certificate may be approaching expiration, but the operational work can involve:
Discover → Renew → Deploy → Verify
For larger environments, teams may also need to identify where certificates are installed, which services depend on them and whether the renewed certificate has been deployed correctly.
That's where certificate automation can become valuable.
Stay ahead of certification expiry
UTORA continuously monitors SSL/TLS certificates across your domains, subdomains, APIs, and applications, giving your team a centralized view of certificate health and expiration.
Identify certificates approaching expiration, prioritize what needs attention, and take action before they become outages. Instead of relying on spreadsheets, manual checks, or last-minute alerts, keep your certificate infrastructure visible and under control.
Know what’s expiring. Know when. Take action before it impacts your business.
How UTORA Works
UTORA gives your team a centralized view of SSL/TLS certificate health across your entire environment.
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Discover — Identify certificates across domains, subdomains, APIs, and applications.
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Monitor — Continuously track certificate validity and expiration dates.
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Prioritize — Highlight certificates that need attention based on expiration and operational impact.
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Alert — Notify your team before certificates become a service disruption.
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Act — Give your team the visibility needed to renew and resolve issues before they affect users.
From certificate discovery to proactive monitoring, UTORA helps prevent expiration from becoming an outage.