Error after installing certificate, SSL_ERROR_BAD_CERT_DOMAIN

[ronaldDHA]

My domain is: https://www.denhelderactueel.nl

I ran this command:
through Plesk the module LetsEnrypt is installed, I tried to automatically have installed a ssl-certificate.

It produced this output:
Failed to resolve the challenge for www.denhelderactueel.nl.
Details
Invalid response from https://acme-v01.api.letsencrypt.org/acme/authz/oQUWmi5pvRzw-zK3m6bQ0kHxbKNDg5vKmHKzAfJvbk8.
Details:
Type: urn:acme:error:connection
Status: 400
Detail: DNS problem: SERVFAIL looking up CAA for www.denhelderactueel.nl

My web server is (include version): not sure, a server from strato

The operating system my web server runs on is (include version):
CentOS Linux 7.4.1708 (Core)

My hosting provider, if applicable, is: strato

I can login to a root shell on my machine (yes or no, or I don’t know): i don’t know, i use plesk

I’m using a control panel to manage my site (no, or provide the name and version of the control panel): Plesk Onyx v17.0.17_build1700161028.14 os_CentOS 7

So Plesk said the LetsEnrypt certificate is isntalled, but with 2 warning. The one I posted here and a some one for webmail.

[_az]

It appears to be some kind of DNSSEC misconfiguration.

Whereas the root domain works OK: https://unboundtest.com/m/CAA/denhelderactueel.nl/QPXQMQ2F,
the www. variant does not validate: https://unboundtest.com/m/CAA/www.denhelderactueel.nl/CHDYDF7A

The error code meaning is as follows, but I am unsure on the exact implications. Perhaps somebody else can help here:

BOGUS means that the object (RRset or message) failed to validate (according to local policy), but should have validated.

I found a similar thread here: CAA SERVFAIL on subdomain but it did not have a positive resolution.

[mnordhoff]

What exactly did Plesk say?

It looks like 5 certificates have recently been issued for denhelderactueel.nl, but none for www.denhelderactueel.nl.

https://denhelderactueel.nl/ is using one of those certificates right now, but it redirects to https://www.denhelderactueel.nl/, which isn’t using an appropriate certificate.

That DNS error is fatal. It won’t be possible to get a certificate for www.denhelderactueel.nl until it is fixed.

https://letsencrypt.org/docs/caa/

Since the domain appears to be using PowerDNS, my perennial guess for NSEC errors I don’t understand is that the DNS admin should try running “pdnsutil rectify-zone denhelderactueel.nl” and see if it helps.

(And also make sure PowerDNS is a new enough version, but I don’t think that’s the issue.)

If your DNS admins won’t fix problems, replacing www's A record with a CNAME might help work around it. Or not, I’m not sure.

Disabling DNSSEC would also work around it.

Edit: See? I always say that. @_az linked to me saying it a month ago!

[ronaldDHA]

@ronaldDHA

Detail: DNS problem: SERVFAIL looking up CAA for www.denhelderactueel.nl

I've asked my domainhoster for help concering the dns-settings. I don't see anything weird with them, but hopefully they will. Is it an option to move the domeinregistration to strato as well, so domeinname and server are wboth ith strato?

[Osiris]

Looks like your CAA error is gone now: https://unboundtest.com/m/CAA/www.denhelderactueel.nl/5HUS3EW5

You should try again issuing the certificate.

[mnordhoff]

Looks like they yanked the DS record. The NSEC issue isn’t fixed, it’s just irrelevant because the zone is no longer secure.

At least it works, though.

(Edit: And people who hate DNSSEC will be happy. )

[Osiris]

I guess it’s better to start over (or not) than to let an error exist

[ronaldDHA]

what do you mean by start over?

[Osiris]

Refering to your host removing the complete DS record, so the CAA error won’t persist. It’s not really fixing the CAA error itself, but removing the whole feature in total.

[ronaldDHA]

I renewed the certificate and added the www. to it. The only error returned this time had to do with webmail. So both . and www. domain must be ok now.