I can renew the certification of our domain, which was made available here by another user and we are not reminding us what was the email used

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:callbex.com.br

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):

I would like to know how I can renew the certification of our domain, which was made available here by another user and we are not reminding us what was the email used.
The domain in question is callbex.com.br
Thank you and sorry for using an electronic translator.

Celso Brant - CEO at Callbex

Let’s Encrypt provides certificates for free, and the only way to feasibly do that is to automate everything. To accomplish this, Let’s Encrypt offers an API which you typically interact with using some software on your computer, the most popular of which is certbot.

We might be able to identify what software the other person used and help you renew your certificates, but we would need this information about your setup that you did not answer in your original post:


You already renewed the certificate November 5:


The question is, why isn’t your web server using the new certificate?


Thank you for your help. We need a first information. We cant find what email has been used to create the login for the domain callbex.com.br. We belive that this information is necessary to find private key, certificate chain and certificate body, witch is been requested by hosting provider. Does that proceed?

Let’s Encrypt doesn’t have your private key. Only whoever created it does: You or your hosting company.

If you’ve lost the certificate but still have the private key, it can be obtained again in a couple ways. You can download it from the link in my earlier post, and get the Let’s Encrypt Authority X3 (IdenTrust cross-signed) intermediate certificate from https://crt.sh/?id=15706126 or https://letsencrypt.org/certificates/.

If you’ve lost your account details, you can easily use an ACME client to register a new one. Accounts don’t matter much.

It would be better if your hosting provider had automatic Let’s Encrypt integration, though.


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