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: https://www.tradethon.com/
I ran this command:
install lets encrypt secure with webmail
It produced this output:
Invalid response from https://acme-v01.api.letsencrypt.org/acme/authz/6aiPKoMlUey-DC8yNvbvyZX7UaW5gISaGimggJnnICk.
Detail: dns :: DNS problem: NXDOMAIN looking up A for webmail.tradethon.com
My web server is (include version):ngnix
The operating system my web server runs on is (include version):Linux
My hosting provider, if applicable, is: Plesk Onyx 17.8.11
I can login to a root shell on my machine (yes or no, or I don’t know):I don’t know
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):Plesk