Validate via CNAME in Domain



i have different subdomains

They are point to a CNAME
CNAME is a DynDNS Host

I run:
sudo certbot --apache -d -d

The SSL creation fails with:

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.

How can I get SSL certifate with CNAME Records?


Hi @TechnikOnkel

this is a incomplete error message. Please answer all of these questions. And share the content of /var/log/letsencrypt/letsencrypt.log.

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., so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:

I ran this command:

It produced this output:

My web server is (include version):

The operating system my web server runs on is (include version):

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or 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):


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