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    ZeroTier and DNS

    Scheduled Pinned Locked Moved IT Discussion
    dnszerotier
    39 Posts 4 Posters 18.8k Views
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    • scottalanmillerS
      scottalanmiller
      last edited by

      What is the purpose in your split horizon? Why are you serving out something to the public from your internal DNS servers?

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      • DashrenderD
        Dashrender
        last edited by

        Here is Microsoft calling it Split Brain.
        http://blogs.technet.com/b/networking/archive/2015/05/12/split-brain-dns-deployment-using-windows-dns-server-policies.aspx

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        • scottalanmillerS
          scottalanmiller
          last edited by

          Very weird. I guess they are either just confused or they are trying to make a point that it is a failure condition that should be avoided.

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          • DashrenderD
            Dashrender
            last edited by

            If you do a google search for split brain DNS, you come up with many people using the term to describe this setup.

            scottalanmillerS 1 Reply Last reply Reply Quote 0
            • scottalanmillerS
              scottalanmiller @Dashrender
              last edited by

              @Dashrender said:

              If you do a google search for split brain DNS, you come up with many people using the term to describe this setup.

              If you Google cloud you get a lot of peoples saying a lot of things 🙂

              DashrenderD 1 Reply Last reply Reply Quote 0
              • DashrenderD
                Dashrender @scottalanmiller
                last edited by

                @scottalanmiller said:

                @Dashrender said:

                If you do a google search for split brain DNS, you come up with many people using the term to describe this setup.

                If you Google cloud you get a lot of peoples saying a lot of things 🙂

                Touche!

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                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  So what is the reason for the split horizon? What external entities are getting DNS resolution from your internal DNS servers?

                  DashrenderD 1 Reply Last reply Reply Quote 0
                  • DashrenderD
                    Dashrender @scottalanmiller
                    last edited by Dashrender

                    @scottalanmiller said:

                    So what is the reason for the split horizon? What external entities are getting DNS resolution from your internal DNS servers?

                    Other than remote users, non.

                    We have the same domainname inhouse for AD as we use for our website on the interwebs...
                    Very little overlap, but email would be one of those overlaps.
                    Externally points to our ISP provided IP, internally, of course inside IP.

                    scottalanmillerS 3 Replies Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller @Dashrender
                      last edited by

                      @Dashrender said:

                      Other than remote users, non.

                      Why would remote users get different DNS responses?

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                      • scottalanmillerS
                        scottalanmiller @Dashrender
                        last edited by

                        @Dashrender said:

                        Very little overlap, but email would be one of those overlaps.

                        How is email affected?

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                        • scottalanmillerS
                          scottalanmiller @Dashrender
                          last edited by

                          @Dashrender said:

                          Externally points to our ISP provided IP, internally, of course inside IP.

                          Only for the website, of course, not email. Why not have external uses see the website internally?

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                          • scottalanmillerS
                            scottalanmiller
                            last edited by

                            Good point, let's start a new topic on Split Horizon DNS. When to use it and if it makes sense in your case 🙂

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