Use the following help URLs if you want to know about SSL on your site

NEWS – https://www.engadget.com/2018/10/08/chrome-70-will-break-hundreds-of-sites/?yptr=yahoo

List of sites STILL using legacy Symantec certificate – https://www.paymentgatewayintegrationhelp.com/Tech-Help/List-of-sites-using-legacy-Symantec-certificate-5409.asp

SSL Checker for  legacy Symantec certificate https://www.websecurity.symantec.com/support/ssl-checker

How to get Replacement of your legacy Symantec certificate https://www.websecurity.symantec.com/blog/replace-your-symantec-ssl-tls-certificates?inid=rctfl_wss_replacement