How to Check TLS/SSL Certificate Expiration Date?

1 vote, average: 5.00 out of 51 vote, average: 5.00 out of 51 vote, average: 5.00 out of 51 vote, average: 5.00 out of 51 vote, average: 5.00 out of 5 (1 votes, average: 5.00 out of 5, rated)
Check Certificate Expiry

In the digital world, scams are everywhere. Although the cyber world is an easy source for almost every need, defrauders are also present who have eyes on your finances and confidential details.

Transport Layer Security (TLS) and its predecessor, Secure Socket Layer (SSL), are at the forefront of securing data transmission over the internet. These online security certifications are your digital guardians, shielding your identity on the internet.

However, like any guardian, they, too, have an expiration date and require timely renewal to ensure secure connections.

A recent survey revealed that 65% of cyber attacks are a direct result of expired certifications. This alarming statistic underscores the importance of regularly checking and renewing your certificates to maintain a secure and trusted online presence.

Fortunately, this guide will provide the knowledge and tools to stay on monitor SSL certificate expiration dates. By doing so, you can proactively manage potential security risks and maintain a secure online presence.

How to Check TLS/SSL Certificate Expiration Date from Linux CLI?

Now, it’s time to check the expiration date of your digital certification to keep both your business and customer safe in the web world. So, let’s get started, but before this take a look what does TLS certificate includes.

Here’s the list.

  1. Domain Name
  2. Organization
  3. The name of the Issuing CA
  4. Subdomains
  5. Issue Date
  6. Expiry Date
  7. The public key
  8. CA’s digital signature

Below are the steps to keep a check of your TLS certificate expiry: Let’s check the certification expiry date of with browser features or online tools. Here’s how you can do it in a browser: For reference, we have also added the screenshots.

(I). Using Google Chrome:

Step 1: Open Google Chrome and visit the website.

Step 2: Click on the padlock icon next to the website’s URL in the address bar.

Step 3: Click on “Connection is Secure” on the Chrome version.

Step 4: In the certificate window, go to the “Details” tab.

Step 5: Look for the “Issued On” and “Expires on” dates to find the certificate’s expiration date.

(II). Using Mozilla Firefox:

  1. Open Firefox and visit the website.
  2. Click on the padlock icon next to the website’s URL in the address bar.
  3. Tap on the right arrow icon and then click on “More Information“.
  4. Now, click on Now click on the “View Certificate“, given in the security tab.
  5. Look for the “Valid from” and “Valid to” dates to know the expiry.

To ensure about SSL Certificate, you can use few online tools like SSL Certificate Checker. Just enter the website URL and click on “Check SSL” to view the SSL certificate information, including the expiration date. Always ensure you’re using reputable tools and websites for such checks to protect your security and privacy.

What Happens if you don’t Renew your TLS Certificate Timely?

SSL/TLS certificates are a vital part of establishing trustworthiness and security for websites being visited by web users. It is as if having an ID card proves your citizenship in the country.

The absence of such an important security element means that the source of risk inevitably falls short of the current safety standards and becomes an ideal target for cybercriminals.

SSL websites are particularly preferred by the visitors who convey your website their private details, such as the credit/debit card number and personal information

That SSL padlock icon is more than just a symbol. It’s a beacon of trust that assures your visitors that their transactions are secure.

However, it’s crucial to remember that terminating the SSL certificate can make your site unavailable, damage its reputation, and erode your customers’ trust. This loss of trust can result in a significant income loss. Regular renewal of SSL certificates is not just about securing your website; it’s about maintaining trust and sustainability.

Even the most renowned business brands are not immune to the consequences of SSL certificate expiry. Expired certifications can lead to unexpected website downtimes, a fact well-known by many well-established companies.

These cases serve as a stark reminder of the importance of timely renewal. It’s not just about securing the website. It’s about ensuring uninterrupted services for clients and maintaining sustainability.

Final Thoughts

Like everything, your website also needs certification for safe survival in the web world. You can see how a slight delay in renewing TLS certificates can ruin trust and everything. So, keep a check of your security certifications as you do of your body because that’s the only way to grow and thrive in your business.

Buy or Renew your SSL/TLS Certificate before it expired. At CheapSSLWEB price starts at just $2.99 / Year.

Janki Mehta

Janki Mehta

Janki Mehta is a Cyber-Security Enthusiast who constantly updates herself with new advancements in the Web/Cyber Security niche. Along with theoretical knowledge, she also implements her practical expertise in day-to-day tasks and helps others to protect themselves from threats.

Buy Cheap Wildcard SSL