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: app.oliveuion.com
I ran this command: sudo certbot certonly -d admin.oliveunion.com --manual --preferred-challenges dns-01 --force-renewal --manual-public-ip-logging-ok
It produced this output:
Performing the following challenges:
dns-01 challenge for admin.oliveunion.com
Please deploy a DNS TXT record under the name
_acme-challenge.admin.oliveunion.com with the following value:
Before continuing, verify the record is deployed.
Press Enter to ContinueWaiting for verification…
Cleaning up challenges
Failed authorization procedure. admin.oliveunion.com (dns-01): urn:acme:error:dns :: DNS problem: NXDOMAIN looking up TXT for _acme-challenge.admin.oliveunion.com
The following errors were reported by the server:
Detail: DNS problem: NXDOMAIN looking up TXT for
My web server is (include version): Nginx
The operating system my web server runs on is (include version): Ubuntu 16.04
My hosting provider, if applicable, is: cafe24
I can login to a root shell on my machine (yes or no, or I don’t know): don’t know, but I use sudo
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): no
The version of my client is (e.g. output of
certbot --version or
certbot-auto --version if you’re using Certbot):certbot 0.23.0
I have no idea where to create this DNS text record. Do I write on the webserver? Cafe24? I’m extremely lost with this one.