I had no problem with the link. There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own. https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message https://support.mozilla.org/en-US/kb/connection-untrusted-error-message [https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors?redirectlocale=en-US&redirectslug=Error+loading+web+sites Websites don't load - troubleshoot and fix error messages] http://kb.mozillazine.org/Error_loading_websites [https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean What do the security warning codes mean]

Web search; https://www.bing.com/search?q=SEC_ERROR_OCSP_UNAUTHORIZED_REQUEST

I ended up having to call the company who hosts our website and it is working now. The only thing they said is that it had to do with OCSP stapling. A quick search on google brought this up: While many web servers advertise support for OCSP stapling, implementations are not always reliable. For example, when Apache queries the OCSP server, in the event of a temporary failure, it will discard the cached good response from the previous request, and start serving bad response. I hope this helps someone in the future who might have a similar issue.

That was very good work. Well Done.