Weird certificate problem

Hi @fernandoch

the site use Cloudflare:

Host T IP-Address is auth. ∑ Queries ∑ Timeout
foro.losumo.com A 104.28.10.186 yes 1 0
A 104.28.11.186 yes 1 0
AAAA 2606:4700:30::681c:aba yes
AAAA 2606:4700:30::681c:bba yes
www.foro.losumo.com A 104.28.10.186 yes 1 0
A 104.28.11.186 yes 1 0
AAAA 2606:4700:30::681c:aba yes
AAAA 2606:4700:30::681c:bba yes

But the Cloudflare certificate is a wildcard without the www-version:

CN=sni.cloudflaressl.com, O="CloudFlare, Inc.", 
L=San Francisco, S=CA, C=US
	13.03.2019
	13.03.2020
expires in 362 days	sni.cloudflaressl.com, 
losumo.com, *.losumo.com - 3 entries

www doesn't work:

SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.