Error: Could not issue a Let's Encrypt SSL/TLS certificate for shoppingsp.com. Authorization for the domain failed


#1

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:
shoppingsp.com
I ran this command:
Install Certificate
It produced this output:
Invalid response from https://acme-v01.api.letsencrypt.org/acme/authz/G_rputd3I9rdUwU0MgdWNx_kX5RKr1bwG7US6iuk5v8.
Details:
Type: urn:acme:error:dns
Status: 400
Detail: DNS problem: SERVFAIL looking up A for shoppingsp.com

My web server is (include version):

The operating system my web server runs on is (include version):
Ubuntu 16.04
My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know):
Yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
Plesk


#2

There is a DNS problem with your domain:
https://letsdebug.net/shoppingsp.com/161

It seems to be DNSSEC related:
http://dnsviz.net/d/shoppingsp.com/dnssec/


#3

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