LetsEncrypt wont cover both ww and non www

I can create LetsEncrypt SSL from the control panel which successfully applies to https://example.com.

It also works perfectly when I go to http://www.example.com in Google Chrome, Opera, and Microsoft Edge.

However, https://www.example.com/ gives “SSL_ERROR_BAD_CERT_DOMAIN” on Firefox and Internet Explorer.

http://www.example.com actually redirects to https://example.com address anyway but for some reason, Firefox and IE don’t redirect the website before the error.

I have added http://www.example.com as an alias but it won’t properly show up on certificate details.

Regenerate the lets encrypt certificate for the domains…

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