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. crt.sh | 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:
I ran this command: Get a Certificate from Let's Encrypt
It produced this output: Failed to connect to let’s encrypt. Please make sure the domain name is valid
My web server is (include version): synology
The operating system my web server runs on is (include version): synology
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):
The version of my client is (e.g. output of certbot --version
or certbot-auto --version
if you're using Certbot):