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. crt.sh | 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: covs.nl
I ran this command:
Get certificate in DirectAdmin
Yes, it looks like your system is not accepting requests on IPv6. When Lets Encrypt server sees AAAA record it will use IPv6. I could not connect to your server with IPv6 but IPv4 works fine.
I am not very familiar with your configuration so cannot help debug other than to provide this:
Check your server IPv6 IP with curl -6 ifconfig.co and make sure it matches your AAAA record
Here is what I see trying to reach you with IPv4 and 6:
curl -I6 https://www.covs.nl
curl: (28) Failed to connect to www.covs.nl port 443: Connection timed out
curl -I4 https://www.covs.nl
HTTP/2 200
x-drupal-cache: HIT
content-language: nl
x-frame-options: SAMEORIGIN
permissions-policy: interest-cohort=()
x-generator: Drupal 7 (https://www.drupal.org)
link: <https://www.covs.nl/>; rel="canonical",<https://www.covs.nl/>; rel="shortlink"
cache-control: public, max-age=900
expires: Sun, 19 Nov 1978 05:00:00 GMT
vary: Cookie,Accept-Encoding,User-Agent
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains
etag: "1637708586-0"
last-modified: Tue, 23 Nov 2021 23:03:06 GMT
content-type: text/html; charset=utf-8
date: Tue, 23 Nov 2021 23:10:35 GMT
server: Apache/2
AH00112: Warning: DocumentRoot [/home/myuser22/domains/bestanden.a.covs.nl/private_html] does not exist
AH00112: Warning: DocumentRoot [/home/covsres/domains/fakedomain.com/private_html] does not exist
VirtualHost configuration:
178.21.114.226:80 is a NameVirtualHost
default server localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:31)
port 80 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:31)
port 80 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias a.covs.nl
alias a.covs.nl
port 80 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:20)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 80 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:25)
port 80 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:20)
alias www.covs.nl
alias covs.nl
port 80 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:25)
port 80 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 80 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:20)
alias blad.covs.nl
alias blad.covs.nl
port 80 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:25)
port 80 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:20)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 80 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:25)
178.21.114.226:443 is a NameVirtualHost
default server localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:46)
port 443 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:46)
port 443 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias a.covs.nl
alias a.covs.nl
port 443 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:30)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 443 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:70)
port 443 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:30)
alias www.covs.nl
alias covs.nl
port 443 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:66)
port 443 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 443 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:30)
alias blad.covs.nl
alias blad.covs.nl
port 443 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:66)
port 443 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:30)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 443 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:66)
[2a02:2308:0:82e:9fd5:fe0a:560a:62f8]:80 is a NameVirtualHost
default server shared.domain (/etc/httpd/conf/ips.conf:11)
port 80 namevhost shared.domain (/etc/httpd/conf/ips.conf:11)
port 80 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:31)
port 80 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias a.covs.nl
alias a.covs.nl
port 80 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:20)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 80 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:25)
port 80 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:20)
alias www.covs.nl
alias covs.nl
port 80 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:25)
port 80 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 80 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:20)
alias blad.covs.nl
alias blad.covs.nl
port 80 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:25)
port 80 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:20)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 80 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:25)
[2a02:2308:0:82e:9fd5:fe0a:560a:62f8]:443 is a NameVirtualHost
default server shared.domain (/etc/httpd/conf/ips.conf:22)
port 443 namevhost shared.domain (/etc/httpd/conf/ips.conf:22)
port 443 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:46)
port 443 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias a.covs.nl
alias a.covs.nl
port 443 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:30)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 443 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:70)
port 443 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:30)
alias www.covs.nl
alias covs.nl
port 443 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:66)
port 443 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 443 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:30)
alias blad.covs.nl
alias blad.covs.nl
port 443 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:66)
port 443 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:30)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 443 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:66)
*:443 www.example.com (/etc/httpd/conf/extra/httpd-ssl.conf:81)
I don't know why but discourse will sometimes EAT posts that I edit.
I simply added "```" to it at the top and bottom.
Here is a repost of all that content (and the backticks):
AH00112: Warning: DocumentRoot [/home/myuser22/domains/bestanden.a.covs.nl/private_html] does not exist
AH00112: Warning: DocumentRoot [/home/covsres/domains/fakedomain.com/private_html] does not exist
VirtualHost configuration:
178.21.114.226:80 is a NameVirtualHost
default server localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:31)
port 80 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:31)
port 80 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias a.covs.nl
alias a.covs.nl
port 80 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:20)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 80 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:25)
port 80 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:20)
alias www.covs.nl
alias covs.nl
port 80 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:25)
port 80 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 80 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:20)
alias blad.covs.nl
alias blad.covs.nl
port 80 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:25)
port 80 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:20)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 80 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:25)
178.21.114.226:443 is a NameVirtualHost
default server localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:46)
port 443 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:46)
port 443 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias a.covs.nl
alias a.covs.nl
port 443 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:30)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 443 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:70)
port 443 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:30)
alias www.covs.nl
alias covs.nl
port 443 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:66)
port 443 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 443 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:30)
alias blad.covs.nl
alias blad.covs.nl
port 443 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:66)
port 443 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:30)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 443 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:66)
[2a02:2308:0:82e:9fd5:fe0a:560a:62f8]:80 is a NameVirtualHost
default server shared.domain (/etc/httpd/conf/ips.conf:11)
port 80 namevhost shared.domain (/etc/httpd/conf/ips.conf:11)
port 80 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:31)
port 80 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias a.covs.nl
alias a.covs.nl
port 80 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:20)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 80 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:25)
port 80 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:20)
alias www.covs.nl
alias covs.nl
port 80 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:25)
port 80 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:20)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 80 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:25)
port 80 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:20)
alias blad.covs.nl
alias blad.covs.nl
port 80 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:25)
port 80 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:20)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 80 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:25)
[2a02:2308:0:82e:9fd5:fe0a:560a:62f8]:443 is a NameVirtualHost
default server shared.domain (/etc/httpd/conf/ips.conf:22)
port 443 namevhost shared.domain (/etc/httpd/conf/ips.conf:22)
port 443 namevhost localhost (/etc/httpd/conf/extra/httpd-vhosts.conf:46)
port 443 namevhost a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias a.covs.nl
alias a.covs.nl
port 443 namevhost webmail.a.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:30)
alias bestanden.a.covs.nl
alias bestanden.a.covs.nl
port 443 namevhost webmail.bestanden.a.covs.nl (/usr/local/directadmin/data/users/myuser22/httpd.conf:70)
port 443 namevhost www.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:30)
alias www.covs.nl
alias covs.nl
port 443 namevhost webmail.covs.nl (/usr/local/directadmin/data/users/myuser/httpd.conf:66)
port 443 namevhost bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:30)
alias bestanden.covs.nl
alias bestanden.covs.nl
port 443 namevhost webmail.bestanden.covs.nl (/usr/local/directadmin/data/users/myuser2/httpd.conf:66)
port 443 namevhost blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:30)
alias blad.covs.nl
alias blad.covs.nl
port 443 namevhost webmail.blad.covs.nl (/usr/local/directadmin/data/users/myuser3/httpd.conf:66)
port 443 namevhost |PREFIX_DOMAIN|fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:30)
alias |PREFIX_DOMAIN|fakedomain.com
alias fakedomain.com
port 443 namevhost webmail.fakedomain.com (/usr/local/directadmin/data/users/covsres/httpd.conf:66)
*:443 www.example.com (/etc/httpd/conf/extra/httpd-ssl.conf:81)
AH00112: Warning: DocumentRoot [/home/myuser22/domains/bestanden.a.covs.nl/private_html] does not exist
AH00112: Warning: DocumentRoot [/home/covsres/domains/fakedomain.com/private_html] does not exist
root@s1:~# curl -4 ifconfig.co
178.21.114.226
root@s1:~# curl -6 ifconfig.co
curl: (7) Couldn't connect to server
root@s1:~#
root@s1:~# curl -4 www.covs.nl
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>302 Found</title>
</head><body>
<h1>Found</h1>
<p>The document has moved <a href="https://www.covs.nl/">here</a>.</p>
</body></html>
root@s1:~# curl -6 www.covs.nl
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>302 Found</title>
</head><body>
<h1>Found</h1>
<p>The document has moved <a href="https://www.covs.nl/">here</a>.</p>
</body></html>
That shows your IPv6 network configuration is not working. Your first step is to get that working. Once you get that working then getting certificates should also work.
If you are self-hosting then check your router and internet provider. If you are on a hosting service ask them about this.
It looks like your curl -6 www.covs.nl request was handled on your local machine through a hosts file or similar. That is why that worked when the curl -6 to ifconfig.co site failed. I cannot connect to your site with -6 and neither can Lets Debug test site. It is still possible something is wrong in Apache too, but, need to get the above curl -6 working in any case.
I think I have found the problem in the interfaces definition. The ip6 definition in Debian/Bullseye is not working properly. I will try to solve that.