[webmin-l] Another server failing to get let's encrypt certificate

[Kimberly <kim...@gm...>]

The server was just upgraded including the python, webmin, etc. This is 
on a server where the certificate originally worked but is now failing.

Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for mywebsite.com
http-01 challenge for www.mywebsite.com
Using the webroot path /home/mywebsite/public_html for all unmatched 
domains.
Waiting for verification...
Cleaning up challenges
Unable to clean up challenge directory 
/home/mywebsite/public_html/.well-known/acme-challenge
Failed authorization procedure. mywebsite.com (http-01): 
urn:acme:error:connection :: The server could not connect to the client 
to verify the domain :: Fetching 
https://mywebsite.com.well-known/acme-challenge/IhHaCIPWON3uBI6XqcI5SNPYqifvu1d7lVaDUn3yXoE: 
Error getting validation data, www.mywebsite.com (http-01): 
urn:acme:error:connection :: The server could not connect to the client 
to verify the domain :: Fetching 
https://mywebsite.com.well-known/acme-challenge/XPq-emPKAZWOR19hreiiruVktFdRuy-d-kAEaKhGM1s: 
Error getting validation data
IMPORTANT NOTES:
  - The following errors were reported by the server:

    Domain: mywebsite.com
    Type:   connection
    Detail: Fetching
https://mywebsite.com.well-known/acme-challenge/IhHaCIPWON3uBI6XqcI5SNPYqifvu1d7lVaDUn3yXoE:
    Error getting validation data

    Domain: www.mywebsite.com
    Type:   connection
    Detail: Fetching
https://mywebsite.com.well-known/acme-challenge/XPq-emPKAZWOR19hreiiruVktFdRuy-d-kAEaKhGM1s:
    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.

Plugins selected: Authenticator manual, Installer None
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Obtaining a new certificate
Performing the following challenges:
dns-01 challenge for mywebsite.com
dns-01 challenge for www.mywebsite.com
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. mywebsite.com (dns-01): 
urn:acme:error:unauthorized :: The client lacks sufficient authorization 
:: No TXT record found at _acme-challenge.mywebsite.com, 
www.mywebsite.com (dns-01): urn:acme:error:unauthorized :: The client 
lacks sufficient authorization :: No TXT record found at 
_acme-challenge.www.mywebsite.com
IMPORTANT NOTES:
  - The following errors were reported by the server:

    Domain: mywebsite.com
    Type:   unauthorized
    Detail: No TXT record found at _acme-challenge.mywebsite.com

    Domain: www.mywebsite.com
    Type:   unauthorized
    Detail: No TXT record found at _acme-challenge.www.mywebsite.com

    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.