Hi everyone,
I couldn't obtain a certificate due to errors with DNS A/AAAA record(s) however they were already configured on Cloudflare.
Could you pls help folks? 
Nginx config:
server {
root /var/www/hybridized;
index index.php index.html index.htm index.nginx-debian.html;
server_name hybridized.club www.hybridized.club;
#listen [::]:443 ssl http2 ipv6only=on;
#listen 443 ssl http2; # managed by Certbot
client_max_body_size 500M;
location / {
#try_files $uri $uri/ =404;
try_files $uri $uri/ /index.php$is_args$args;
}
location ~ \.php$ {
include snippets/fastcgi-php.conf;
fastcgi_pass unix:/var/run/php/php8.0-fpm.sock;
fastcgi_connect_timeout 300s;
fastcgi_read_timeout 300s;
fastcgi_send_timeout 300s;
}
location ~ /\.ht {
deny all;
}
location = /favicon.ico { log_not_found off; access_log off; }
location = /robots.txt { log_not_found off; access_log off; allow all; }
location ~* \.(css|gif|ico|jpeg|jpg|js|png)$ {
expires max;
log_not_found off;
}
location ~ ^/\.user\.ini {
deny all;
}
#ssl_certificate /etc/letsencrypt/live/f{{ defined_http_host }}/fullchain.pem; # managed by Certbot
#ssl_certificate_key /etc/letsencrypt/live/{{ defined_http_host }}/privkey.pem; # managed by Certbot
# include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
#ssl_ciphers EECDH+CHACHA20:EECDH+AES128:RSA+AES128:EECDH+AES256:RSA+AES256:EECDH+3DES:RSA+3DES:!MD5;
#ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
My domain is: hybridized
I ran this command: sudo certbot --nginx -d hybridized.club -d www.hybridized.club
It produced this output:
organic@server:/tmp$ sudo certbot --nginx -d hybridized.club -d www.hybridized.club
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx
Requesting a certificate for hybridized.club and www.hybridized.club
Performing the following challenges:
http-01 challenge for hybridized.club
Waiting for verification...
Challenge failed for domain hybridized.club
http-01 challenge for hybridized.club
Cleaning up challenges
Some challenges have failed.
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: hybridized.club
Type: unauthorized
Detail: Invalid response from
https://hybridized.club/.well-known/acme-challenge/vawtraltBCeRm2iRiVrrHezi_dhhSfhuipOLEuNzFh8
[2606:4700:3031::6815:5fd0]: "<!DOCTYPE html>\n<!--[if lt IE 7]>
<html class=\"no-js ie6 oldie\" lang=\"en-US\">
<![endif]-->\n<!--[if IE 7]> <html class=\"no-js "
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.
My web server is (include version): nginx/1.21.3
The operating system my web server runs on is (include version): Ubuntu 21.04
My hosting provider, if applicable, is: godaddy.com
I can login to a root shell on my machine (yes or no, or I don't know): yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel): no
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): certbot 1.12.0