Subdomains fail to verify

I believe I have the same or very similar problem.

Hardware: Raspberry Pi 4 [8 Gb]
YunoHost version: 4.2.6
I have access to my server : Through all means
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : No

I haven’t been able to install certificates for the past two days.
Main domain failed because of xmpp-upload.yourdomain.tld which I bypassed following these steps.

But all the other domains keep failing.

  • I have run diagnostics and all the DNS records for category basic seem to be properly configured.
  • I run Pi-Hole and Unbound on a different SBC, and I have tried turning it off, but the process still fails.

Here is my log: https://paste.yunohost.org/raw/ukirimemal