g

sudo /home/pi/certbot-auto --nginx
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator nginx, Installer nginx

Which names would you like to activate HTTPS for?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
1: winsteadworks.com
2: www.winsteadworks.com
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel):
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for winsteadworks.com
http-01 challenge for www.winsteadworks.com
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. www.winsteadworks.com (http-01): urn:ietf:params:acme:error:dns :: DNS problem: NXDOMAIN looking up A for www.winsteadworks.com, winsteadworks.com (http-01): urn:ietf:params:acme:error:connection :: The server could not connect to the client to verify the domain :: Fetching http://winsteadworks.com/.well-known/acme-challenge/XIU9nPen_uuEGXCBgtsgOftI5rIp0MJ8NO7kU0tCb4M: Error getting validation data

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

   Domain: winsteadworks.com
   Type:   connection
   Detail: Fetching
   http://winsteadworks.com/.well-known/acme-challenge/XIU9nPen_uuEGXCBgtsgOftI5rIp0MJ8NO7kU0tCb4M:
   Error getting validation data

   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.
 - The following errors were reported by the server:

   Domain: www.winsteadworks.com
   Type:   None
   Detail: DNS problem: NXDOMAIN looking up A for
   www.winsteadworks.com