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:lms.maziar.ac.ir
I ran this command:certbot by bigblubotton script
It produced this output:
My web server is (include version):ngnix
The operating system my web server runs on is (include version):ubuntu 18.04
I can login to a root shell on my machine (yes or no, or I don't know):yes
i have a ssl certificate by letsencrypt in address : lms.maziar.ac.ir in last 12 month
in 2 days a go i do try install new bigbluebutton server an try again and try a few again
now : my installation scrip error letsencrypt is not configured
i think my server ip blocked
ip address : 195.181.40.90
please unblock me
help me
the folowing error were reported by server
domain : lms.maziar.ac.ir
type: unauthorized
detail : invalid respone form http://lms.maziar.ac.ir/.well-know/acme-challenge/jxigzexfskc9-n_xxxxxxxxxxxxxxxxxxxxxxxxxxx>404 not found
to fix these errors,please make sure that your domain name was enred correctly and dns A/AAAA record(s) for that domain contain(s) the right ip