Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: http:hostingandlearn.net
I ran this command: automatic request from virtualmin
It produced this output:Requesting a certificate for hostingandlearn.net, www.hostingandlearn.net, mail.hostingandlearn.net from Let’s Encrypt …
… request failed : Web-based validation failed : Failed to request certificate :
mail.hostingandlearn.net challenge did not pass: DNS problem: NXDOMAIN looking up A for mail.hostingandlearn.net
DNS-based validation failed : Failed to request certificate :
Gave up waiting for validation
My web server is (include version):
The operating system my web server runs on is (include version): ubuntu 16, virtualmin/webmin
My hosting provider, if applicable, is: digitalocean
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):