An SSL certificate protects sensitive data by encrypting the data when sent across the network.
This Secure Socket Layer protocol allows a secure connection between the sending and receiving party and prevents unauthorized access by those who have malicious intent.
There are various types of SSL certificates available:
1. Extended validation
2. Organization validation
3. Domain Validation
Commonly most hosting companies are now making use of Let’s Encrypt SSL certificates. These are generally free and more detail around the product may be found here: https://letsencrypt.org/
If you site is secured by this product and you need to validate root certificates and expiry you are welcome to use this tool for full detail: https://chainchecker.certifytheweb.com. Enter your domain name and check the certificate chain. It will display the root certificates.
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