DNS Problem for new creation


#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: knowledge.thompsonavc.co.uk

I ran this command: sudo certbot --apache -m admin@thompsonavc.co.uk -d knowledge.thompsonavc.co.uk -d www.knowledge.thompsonavc.co.uk

It produced this output:

Important Notes:
-The following errors were reported by the sever:
Domain: www.knowledge.thompsonavc.co.uk
Type: None
Detail: DNS problem: NXDOMAIN looking up A for www.knowledge.thompsonavc.co.uk

My web server is (include version): Apache 2.4.29

The operating system my web server runs on is (include version): Ubuntu 18.04.1 LTS

My hosting provider, if applicable, is: n/a - locally hosted

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): n/a


#2

You should create a DNS record for www.knowledge.thompsonavc.co.uk.

knowledge.thompsonavc.co.uk has this A record:

knowledge.thompsonavc.co.uk. 3600 IN    A       81.149.147.124

But www.knowledge.thompsonavc.co.uk doesn’t exist.


#3

I have already setup an A record on our DNS server for this to work internally. Should the record be setup on the web sever its self? Domain points to external IP.


#4

Let’s Encrypt’s validation servers are external to your network. The record needs to exist on your Internet-facing DNS.


#5

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