Authentication is failing

Help
1

I'm trying to obtain certificate for my domain (I can't share it).
The server is vanilla Ubuntu 20.04 with Nginx and Gunicorn running.
I can view the website just fine but when I run:
sudo certbot --nginx -d www.example.com

I get:

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for www.example.com
Waiting for verification...
Challenge failed for domain www.example.com
http-01 challenge for www.example.com
Cleaning up challenges
Some challenges have failed.

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: www.example.com
   Type:   unauthorized
   Detail: Invalid response from
   http://www.example.com/.well-known/acme-challenge/zla6X1i7ZI1Qz7uxYaPhsWy5J6_q8GrtBn7KlDnAB7w
   [184.168.131.241]: "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML
   4.01//EN\"\n
   \"http://www.w3.org/TR/html4/strict.dtd\">\n<html>\n\n<head>\n
   <title>example"

   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.

The DNS records appears to be correct. I'm using forwarding with masking for the domain. Meaning Godaddy is making the public ip to look like www.example.com.

certbot version 0.40.0

Any help is much appreciated.

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2

Hi @codinghedgehog-pytho

your domain name is required if you want help.

184.168.131.241

is a GoDaddy ip address, ip-184-168-131-241.ip.secureserver.net - you can't create a certificate using that GoDaddy forwarding.

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