Site Can't Be Reached - Connection Was Reset for all SSL sites after LetsEncrypt renewal

Here's the current output of the command:

curl -Iv https://network1.outsmarthosting.com
* Rebuilt URL to: https://network1.outsmarthosting.com/
* Hostname was NOT found in DNS cache
*   Trying 54.85.12.43...
* Connected to network1.outsmarthosting.com (54.85.12.43) port 443 (#0)
* successfully set certificate verify locations:
*   CAfile: none
  CApath: /etc/ssl/certs
* SSLv3, TLS Unknown, Unknown (22):
* SSLv3, TLS handshake, Client hello (1):
* Unknown SSL protocol error in connection to network1.outsmarthosting.com:443 
* Closing connection 0
curl: (35) Unknown SSL protocol error in connection to network1.outsmarthosting.com:443

It complains about the protocol. Can you try just this single one:

ssl_protocols TLSv1.2;

And then run

curl -Iv https://network1.outsmarthosting.com

and report back with output.