Issue when dns hosting on cloudfare

Help
#1

My domain is:

I ran this command:

It produced this output:
Domain: educatemn.org
Type: unauthorized
Detail: Invalid response from
http://educatemn.org/.well-known/acme-challenge/3CwR-ITagmVEhUfQlQGLeTcQ3N8IkN3wSl97ZqXlNLw
[3.14.21.94]: 404

To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.

FATAL: all hosts have already failed – aborting

My web server is (include version): nginx

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

My hosting provider, if applicable, is: cloudfare

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): no

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

I updated the A record to ‘3.14.21.94’ still https://check-your-website.server-daten.de/?q=ercmn.org shows ‘104.27.158.61’ and hence it seems certbot is failing. Can you please help?

Thank You.

#2

Hi @Pankti

where did you update that record? Now I see the 104.* address. But Letsencrypt has seen the 3.14.*

There is no older Letsencrypt certificate listed, the CT-part shows only the

Issuer not before not after Domain names LE-Duplicate next LE
CloudFlare Inc ECC CA-2 2019-05-22 2020-05-23 *.ercmn.org, ercmn.org, sni.cloudflaressl.com
3 entries

Cloudflare Certificate.

Looks like you use the integrated Cloudflare solution to have a SSL connection between your server and Cloudflare. Then you don’t need an own Letsencrypt certificate.

Checking your raw ip there is another certificate - https://check-your-website.server-daten.de/?q=3.14.21.94

CN=careerleaf.com
	28.08.2019
	26.11.2019
expires in 18 days	*.careerleaf.com, careerleaf.com - 2 entries
1 Like
#3

PS: Oh, there are some different informations.

There you use

ercmn.org, not the educatemn.org.

There is a check of the educatemn.org - https://check-your-website.server-daten.de/?q=educatemn.org

That domain has the 3.14.* ip address. But there is the error:

Domainname Http-Status redirect Sec. G
• http://educatemn.org/ 3.14.21.94 GZip used - 56 / 36 - -55,56 % 404 Html is minified: 100,00 % 0.267 M
NOT FOUND
• https://educatemn.org/ 3.14.21.94 GZip used - 56 / 36 - -55,56 % Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0 404 Html is minified: 100,00 % 4.094 N
NOT FOUND
Certificate error: RemoteCertificateNameMismatch
• http://educatemn.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 3.14.21.94 GZip used - 56 / 36 - -55,56 % Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0 404 Html is minified: 100,00 % 0.266 A
NOT FOUND
Visible Content: domain is not defined: educatemn.org

Domain is not defined.

Looks like your vHost setup is incomplete.

1 Like
#4

What command did you run? What was the complete output? What ACME client are you using? What version of it?

1 Like
#5

Hi there,

There was an error with dns records. www routing was also added as an ‘A’ record and hence error. Removing it solved the issue.

Thank you guys for your apt response. Really appreciate it.

Thanks.

1 Like
#6

That’s possible.

But if you have a main domain, it’s better to have a DNS entry and a correct configured vHost with one certificate and both domain names. And correct redirects.

Some users add always www to the domain name.

#7

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