Can't setup subdomain ( This site can’t be reached )

My setup and what i did so far, for DNS records i have set for A record mydomain.com and pointed to the ip address, for AAAA record same and CNAME www.mydomain.com, i’ve setup the virtual host – > <VirtualHost *:80> ServerAdmin webmaster@localhost ServerName mydomain.com ServerAlias www.mydomain.com DocumentRoot /var/www/mydomain.com/public_html ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> enable it with a2ensite, created the root path in /var/www/mydomain.com/public_html, restart apache anddd This site can’t be reached, i’ve also added certbot for the main domain and the subdomain,…i need some help with this, for the main domain everything is working fine and i did the same steps for the subdomain.