Could not issue an SSL/TSL certificate for www.domain.com

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My domain is:www.comapanuevolaredo.gob.mx

I ran this command: in Menu goto "Tools & Settings" -> select SSL/TLS certificates ->
in these section click on button "+ Lets Encypt", next window or
page, fill the text boxes email address:
websistemas.comapanld@gmail.com
Domain name: www.comapanuevolaredo.gob.mx
then click on button "Reissue" .... waited......

It produced this output:

Could not issue an SSL/TLS certificate for www.comapanuevolaredo.gob.mx
Details
Could not issue a Let's Encrypt SSL/TLS certificate for www.comapanuevolaredo.gob.mx. Authorization for the domain failed.
Details
Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz/2531215931/557744714281
Details:
Type: urn:ietf:params:acme:error:dns
Status: 400
Detail: During secondary validation: DNS problem: SERVFAIL looking up A for www.comapanuevolaredo.gob.mx - the domain's nameservers may be malfunctioning; DNS problem: SERVFAIL looking up AAAA for www.comapanuevolaredo.gob.mx - the domain's nameservers may be malfunctioning

My web server is (include version):Version 18.0.70 Update #3

The operating system my web server runs on is (include version): windows server 2016

My hosting provider, if applicable, is: www.akky.mx

I can login to a root shell on my machine (yes or no, or I don't know): to command promtp (CMD) in windows or powershell

I'm using a control panel to manage my site (no, or provide the name and version of the control panel): Plesk obsidian web pro edition

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot): don know if using one

Hello @ComapaNld, welcome! :slight_smile:

It seems there are DNS issues including Name Server issues, please see:

Also using the online tool Let's Debug is seeing similar issues as well;
https://letsdebug.net/www.comapanuevolaredo.gob.mx/2508411

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Yeah it looks like your DNS nameserver ns.comapanuevolaredo.gob.mx is refusing some or all queries, possibly because it's down or a firewall is blocking TCP/UDP port 53

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