No FQDN was presented.
To use the DynDNS service in ddclient, use:

  ssl=no  # certificate is broken
  usev4=webv4
  webv4=http://niwdns.de/?check
  usev6=webv6 or cmdv6  # use some custom service, niwdns ipv6 is broken too
  webv6=http://go.figure.something.out/
  cmdv6=/usr/local/bin/gofigure

  protocol=dyndns2
  server=niwdns.de
  script=/?update&
  login=same.as.hostname.de
  password=********************
  le.hostname.de