DynDns error emails every 10 minutes after upgrading to yunohost 11.1.22

My YunoHost server

Hardware: Raspberry Pi 4 at home
YunoHost version: 11.1.22 (stable).
I have access to my server : Through SSH and through the webadmin
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : no

Description of my issue

I’m using nohost for my yunohost instance and since I upgraded to the current yunohost version a couple of days ago I keep receiving every 10 minutes an email with a dyndns error:

From: root@MYNOHOSTDOMAIN
Subject: Cron <root@MYNOHOSTDOMAIN> : YunoHost DynDNS update; sleep $((RANDOM%60)); ! ping -q -W5 -c1 ip.yunohost.org >/dev/null 2>&1 || test -e /var/run/moulinette_yunohost.lock || yunohost dyndns update >> /dev/null
Content: Failed to resolve IPv4/IPv6 for ['ns0.yunohost.org', 'ns1.yunohost.org'] ?

I didn’t change anything else and I upgraded to the current yunohost version using apt-get upgrade from shell.

Hmokay, what happens if you try to run dig +short ns0.yunohost.org ?

$ dig +short ns0.yunohost.org
80.67.172.144

Ah so that was “a couple days ago”, I assume it stopped sending these now then … Well that could be explained by numerous stuff, either a temporary network issue on your server, or on our infrastructure …

As soon as I upgraded yunohost I started receiving those emails every 10 minutes.

I just discovered that there is an additional error while I run a diagnostic. I will try to symlink /etc/resolv.conf and delete the existing one.

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Internet connectivity (ip)

[WARNING] DNS resolution seems to be working, but it looks like you’re using a custom /etc/resolv.conf.

  • The file /etc/resolv.conf should be a symlink to /etc/resolvconf/run/resolv.conf itself pointing to 127.0.0.1 (dnsmasq). If you want to manually configure DNS resolvers, please edit /etc/resolv.dnsmasq.conf.

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DNS records (dnsrecords)

[ERROR] Some DNS records are missing or incorrect for domain MYNOHOSTDOMAIN (category mail)

  • This domain’s DNS configuration should automatically be managed by YunoHost. If that’s not the case, you can try to force an update using ‘yunohost dyndns update --force’.
  • According to the recommended DNS configuration, you should add a DNS record with the following info.
    Type: TXT
    Name: _dmarc
    Value: “v=DMARC1; p=none”

[WARNING] Some DNS records are missing or incorrect for domain MYNOHOSTDOMAIN (category xmpp)

  • This domain’s DNS configuration should automatically be managed by YunoHost. If that’s not the case, you can try to force an update using ‘yunohost dyndns update --force’.
  • According to the recommended DNS configuration, you should add a DNS record with the following info.
    Type: CNAME
    Name: xmpp-upload
    Value: MYNOHOSTDOMAIN

[WARNING] Unable to check the expiration date for some domains

  • The domain MYNOHOSTDOMAIN doesn’t exist in WHOIS database or is expired!

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