redirect all domains to hhtps with htaccess code example
Example 1: http to https htaccess
RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.yourdomain.com/$1 [R,L]
Example 2: http redirect to https htaccess
RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$
RewriteCond %{REQUEST_URI} !^/\.well-known/pki-validation/[A-F0-9]{32}\.txt(?:\ Comodo\ DCV)?$
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]