[Q] Should FQDN match to public domain

Discussion in 'General' started by c.monty, Feb 8, 2016.

  1. c.monty

    c.monty New Member


    I have a generic question related to the FQDN.

    Let's assume I have registered domain "thisismydomain.de".
    Is it adviseable to give any server / host running in my private network a FQDN following this pattern <hostname>.thisismydomain.de?
    If yes, why?

  2. till

    till Super Moderator Staff Member ISPConfig Developer

    The domain of the server hostname does not matter, just ensure:

    1) That the server hostname is not a website or email domain taht you host. example:

    OK: server1.thisismydomain.de
    Not OK: thisismydomain.de

    2) The server hostname must exist in DNS so that servers that want to contact your server can resolve it. If your server is behind a NAT router, then the hostname has to resolve to the external IP address for external servers.
  3. c.monty

    c.monty New Member

    Let me ask differently:
    In which scenario should the FQDN fit to the public domain that I have registered?
    For all servers that are providing public services, e.g. web.thisismydomain.de?
    And all internal servers should have a different FQDN, e.g. pc.mei.netz?

    I could also differentiate servers that offer public services and internal services following this naming pattern:

    What is your recommendation?

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