We have an A record for a subdomain (support.”Domain”). We can access the site via https but not via www. Can I create an A record of www.support and point it to the same IP address as support.”Domain”?
For that you will need a $10/month dedicated certificate from Cloudflare.
This tutorial covers a possible reason for the SSL_ERROR_NO_CYPHER_OVERLAP and ERR_SSL_VERSION_OR_CIPHER_MISMATCH errors (Firefox and Chrome respectively) when seen on a subdomain.
The Cloudflare universal certificates cover example.com and *.example.com. This means that it covers any subdomain one level below the domain you signed up with.
It will cover www.example.com and subdomain.example.com, as these are one level below the root domain, example.com.
The certificate will not cover www.sub…
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