Qualys SSL Labs - SSL Server Test
'Qualys SSL Labs - SSL Server Test' is a free online tool that analyzes and evaluates the SSL/TLS settings of a website. This tool is used to assess the security status of web servers and identify the strengths and weaknesses of their SSL/TLS configurations.
Bringing you the best SSL/TLS and PKI testing tools and documentation
https://www.ssllabs.com/ssltest/index.html
How to Check if a Web Server Supports TLS 1.2
Verification Process
1. Go to [Configuration > Protocols].
2. Check if there is a [YES] next to the TLS 1.2 entry.
3. If the TLS 1.2 entry shows [NO], it is necessary to update the web server.