DNS records are missing or incorrect


Hi there! I hope somebody can help me. Unfortunally I have no clou about DNS.

My YunoHost server

Hardware: Old laptop
YunoHost version: 4.1.5
I have access to my server : Through SSH | through the webadmin
Are you in a special context or did you perform some particular tweaking on your YunoHost instance ? : SSH only through pub-key

Description of my issue

My server isn’t reachable through it’s normal domain name maindomain.tld.
There seams to be a problem with DNS.

You can find the output of the diagnosis tool on https://paste.yunohost.org/raw/yalezusepo. It shows the DNS problem.

The output of yunohost dyndns update --force is:

sudo yunohost dyndns update --force
Traceback (most recent call last):
  File "/usr/bin/yunohost", line 72, in <module>
  File "/usr/lib/moulinette/yunohost/__init__.py", line 29, in cli
  File "/usr/lib/python2.7/dist-packages/moulinette/__init__.py", line 120, in cli
    args, output_as=output_as, timeout=timeout
  File "/usr/lib/python2.7/dist-packages/moulinette/interfaces/cli.py", line 477, in run
    ret = self.actionsmap.process(args, timeout=timeout)
  File "/usr/lib/python2.7/dist-packages/moulinette/actionsmap.py", line 592, in process
    return func(**arguments)
  File "/usr/lib/moulinette/yunohost/log.py", line 358, in func_wrapper
    result = func(*args, **kwargs)
  File "/usr/lib/moulinette/yunohost/dyndns.py", line 219, in dyndns_update
    old_ipv4 = check_output("dig @%s +short %s" % (dyn_host, domain)) or None
  File "/usr/lib/python2.7/dist-packages/moulinette/utils/process.py", line 31, in check_output
    return subprocess.check_output(args, stderr=stderr, shell=shell, **kwargs).strip()
  File "/usr/lib/python2.7/subprocess.py", line 223, in check_output
    raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command 'dig @dyndns.yunohost.org +short maindomain.tld' returned non-zero exit status 9

c.f. Infrastructure is currently under DDOS - you may experience issues with various services - #3

Thanks for the hint!

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