server {
	listen 80;
	root /var/www/realupnow.com;
	index index.php index.html index.htm;
	server_name realupnow.com www.realupnow.com;

	location / {
		try_files $uri $uri/ =404;
	}

	location ~ \.php$ {
		include snippets/fastcgi-php.conf;
		fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
	}
}

# server {
# 	listen 443 ssl realupnow.com;
# 	server_name realupnow.com www.realupnow.com;
#	root /var/www/realupnow.com;
#	index index.php index.html index.htm;
#
#	location / {
#		try_files $uri $uri/ =404;
#	}
#
#	location ~ \.php$ {
#		include snippets/fastcgi-php.conf;
#		fastcgi_pass unix:/var/run/php/php7.4-fpm.sock;
#	}
# }

certbot certificates
Find the path to the fullchain certificate you wish to reinstall
certbot revoke --cert-path /etc/letsencrypt/live/... path to the cert from above
certbot delete --cert-name yourdomain.com
rm -Rf /etc/apache2/sites-available/000-default-le-ssl.conf or whatever the name of the apache conf you had it configured on
rm -Rf 000-default-le-ssl.conf or whatever the name of the apache conf you had it configured on
sudo apache2ctl restart
certbot follow the guide to setup the new certificate

A Record 	realupnow.com    66.172.90.106   Automatic

Your certificate and chain have been saved at:
/etc/letsencrypt/live/realupnow.com/fullchain.pem
Your key file has been saved at:
/etc/letsencrypt/live/realupnow.com/privkey.pem

A Record 	@                66.172.90.106   Automatic
	
A Record 	realupnow.com    66.172.90.106   Automatic

certbot certonly --webroot -w /var/www/realupnow.com -d realupnow.com

Timeout during connect (likely firewall problem)

   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A/AAAA record(s) for that domain
   contain(s) the right IP address. Additionally, please check that
   your computer has a publicly routable IP address and that no
   firewalls are preventing the server from communicating with the
   client. If you're using the webroot plugin, you should also verify
   that you are serving files from the webroot path you provided.

https://ipchicken.com/

EDIT 3: The A record entry should be for host "@" to indicate the basic domain name (realupnow.com), with other host names like "www" and "mail" for "www.realupnow.com" and "mail.realupnow.com".