create a dns-config for the froxlor-hostname, fixes #1090

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
Merge branch 'master' of https://github.com/Froxlor/Froxlor

* 'master' of https://github.com/Froxlor/Froxlor:
  create a dns-config for the froxlor-hostname, fixes #1090