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    DNS Update Issue

    IT Discussion
    windows server 2012 r2 dns active directory
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    • DashrenderD
      Dashrender @wirestyle22
      last edited by

      @wirestyle22 said in DNS Update Issue:

      Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

      What do you normally use for your top level domain on an AD build?

      wirestyle22W JaredBuschJ 2 Replies Last reply Reply Quote 0
      • wirestyle22W
        wirestyle22 @Dashrender
        last edited by wirestyle22

        @Dashrender said in DNS Update Issue:

        @wirestyle22 said in DNS Update Issue:

        Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

        What do you normally use for your top level domain on an AD build?

        ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

        JaredBuschJ 1 Reply Last reply Reply Quote 0
        • JaredBuschJ
          JaredBusch @Dashrender
          last edited by

          @Dashrender said in DNS Update Issue:

          @wirestyle22 said in DNS Update Issue:

          Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

          What do you normally use for your top level domain on an AD build?

          He's too young to know the old days.

          wirestyle22W 1 Reply Last reply Reply Quote 0
          • wirestyle22W
            wirestyle22 @JaredBusch
            last edited by wirestyle22

            @JaredBusch said in DNS Update Issue:

            @Dashrender said in DNS Update Issue:

            @wirestyle22 said in DNS Update Issue:

            Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

            What do you normally use for your top level domain on an AD build?

            He's too young to know the old days.

            wat explain old man

            1 Reply Last reply Reply Quote 0
            • JaredBuschJ
              JaredBusch @wirestyle22
              last edited by

              @wirestyle22 said in DNS Update Issue:

              @Dashrender said in DNS Update Issue:

              @wirestyle22 said in DNS Update Issue:

              Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

              What do you normally use for your top level domain on an AD build?

              ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

              If it looks like this, then it owns domain.com

              0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

              wirestyle22W PhlipElderP 2 Replies Last reply Reply Quote 1
              • wirestyle22W
                wirestyle22 @JaredBusch
                last edited by

                @JaredBusch said in DNS Update Issue:

                @wirestyle22 said in DNS Update Issue:

                @Dashrender said in DNS Update Issue:

                @wirestyle22 said in DNS Update Issue:

                Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                What do you normally use for your top level domain on an AD build?

                ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                If it looks like this, then it owns domain.com

                0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                It does

                1 Reply Last reply Reply Quote 0
                • JaredBuschJ
                  JaredBusch
                  last edited by

                  The red box not masking, is the A record for domain.com

                  Everything here is subdomain.domain.com and has matching records on CloudFlare for when not in the office...

                  0_1541003917152_181b885d-e0ce-4288-8c0e-aaa795316397-image.png

                  1 Reply Last reply Reply Quote 1
                  • PhlipElderP
                    PhlipElder
                    last edited by

                    Are these Active Directory based domain controllers with AD integrated DNS set up?

                    Then DNS0 on all DCs should point to itself only. By default no other DNS server IP entry should be set on the NIC other than 127.0.0.1. Ever.

                    AD integrated DNS takes care of replicating changes and IDs among the DCs in a given forest/domain.

                    Never, ever, put a public DNS server anywhere but in the Forwarders location on an AD integrated DNS server.

                    DHCP should be handing out DNS entries for the AD DC DNS servers local to them or a tertiary if need-be for redundancy.

                    It sounds like whomever set things up had no idea how DNS works. 😛

                    JaredBuschJ wirestyle22W 2 Replies Last reply Reply Quote 1
                    • JaredBuschJ
                      JaredBusch @PhlipElder
                      last edited by

                      @PhlipElder totally.

                      1 Reply Last reply Reply Quote 0
                      • PhlipElderP
                        PhlipElder @JaredBusch
                        last edited by

                        @JaredBusch said in DNS Update Issue:

                        @wirestyle22 said in DNS Update Issue:

                        @Dashrender said in DNS Update Issue:

                        @wirestyle22 said in DNS Update Issue:

                        Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                        What do you normally use for your top level domain on an AD build?

                        ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                        If it looks like this, then it owns domain.com

                        0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                        Oh man, what a mess.

                        JaredBuschJ 1 Reply Last reply Reply Quote 0
                        • JaredBuschJ
                          JaredBusch @PhlipElder
                          last edited by

                          @PhlipElder said in DNS Update Issue:

                          @JaredBusch said in DNS Update Issue:

                          @wirestyle22 said in DNS Update Issue:

                          @Dashrender said in DNS Update Issue:

                          @wirestyle22 said in DNS Update Issue:

                          Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                          What do you normally use for your top level domain on an AD build?

                          ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                          If it looks like this, then it owns domain.com

                          0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                          Oh man, what a mess.

                          Meh, not bad actually. Perfect? No. But small enough to not be a problem really.

                          Definitely not what I would do now if I set it up new.

                          PhlipElderP DashrenderD 2 Replies Last reply Reply Quote 1
                          • PhlipElderP
                            PhlipElder @JaredBusch
                            last edited by PhlipElder

                            @JaredBusch said in DNS Update Issue:

                            @PhlipElder said in DNS Update Issue:

                            @JaredBusch said in DNS Update Issue:

                            @wirestyle22 said in DNS Update Issue:

                            @Dashrender said in DNS Update Issue:

                            @wirestyle22 said in DNS Update Issue:

                            Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                            What do you normally use for your top level domain on an AD build?

                            ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                            If it looks like this, then it owns domain.com

                            0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                            Oh man, what a mess.

                            Meh, not bad actually. Perfect? No. But small enough to not be a problem really.

                            Definitely not what I would do now if I set it up new.

                            Okay, the masking threw me off.

                            _msdcs.domain.local
                            domain.com
                            domain.local
                            ^^Zones?

                            Why domain.com?

                            When we split DNS we usually leave domain.com to Internet DNS even if Location.Domain.Com is internal.

                            Then we set up the required internal DNS FLZs for services:
                            Remote.Domain.Com
                            SharePoint.Domain.Com
                            Mail.Domain.Com
                            LoB.Domain.Com

                            Application Request Routing (ARR) is used to parlay incoming HTTPS calls to their respective owners (RDS, Exchange, SharePoint, LoB) so we only require one WAN IP address with Internet DNS A records for the above pointing to the WAN IP address.

                            EDIT: To get around the AutoDiscover.Domain.Com we use the _autodiscover SRV record method.

                            JaredBuschJ 1 Reply Last reply Reply Quote 0
                            • wirestyle22W
                              wirestyle22 @PhlipElder
                              last edited by wirestyle22

                              @PhlipElder said in DNS Update Issue:

                              Are these Active Directory based domain controllers with AD integrated DNS set up?

                              Then DNS0 on all DCs should point to itself only. By default no other DNS server IP entry should be set on the NIC other than 127.0.0.1. Ever.

                              loopback address on multiple domain controllers as primary? Contrary to everything I have read. Discussing with Jared right now.

                              1 Reply Last reply Reply Quote 0
                              • wirestyle22W
                                wirestyle22
                                last edited by

                                I have no idea why I had this misconception. So I have been doing this incorrectly. Loopback addresses on all DC's. I just realized that there is no benefit to anything else.

                                1 Reply Last reply Reply Quote 0
                                • JaredBuschJ
                                  JaredBusch @PhlipElder
                                  last edited by

                                  @PhlipElder said in DNS Update Issue:

                                  Why domain.com?

                                  I didn't set it up. THis is how I acquired it.

                                  Not worth the effort to change everything.

                                  Exchange 2007 was also installed on a DC. /sigh

                                  wirestyle22W 1 Reply Last reply Reply Quote 0
                                  • wirestyle22W
                                    wirestyle22 @JaredBusch
                                    last edited by

                                    @JaredBusch said in DNS Update Issue:

                                    Exchange 2007 was also installed on a DC. /sigh

                                    That's especially rough. I thought a file server was bad.

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

                                      @JaredBusch said in DNS Update Issue:

                                      @PhlipElder said in DNS Update Issue:

                                      @JaredBusch said in DNS Update Issue:

                                      @wirestyle22 said in DNS Update Issue:

                                      @Dashrender said in DNS Update Issue:

                                      @wirestyle22 said in DNS Update Issue:

                                      Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                                      What do you normally use for your top level domain on an AD build?

                                      ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                                      If it looks like this, then it owns domain.com

                                      0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                                      Oh man, what a mess.

                                      Meh, not bad actually. Perfect? No. But small enough to not be a problem really.

                                      Definitely not what I would do now if I set it up new.

                                      This is just a throw back to the new days of AD. MS suggested just this - then after a while they suggested domain.local for the internal domain, and now they recommend ad.domain.com for the internal domain.

                                      scottalanmillerS PhlipElderP 2 Replies Last reply Reply Quote 0
                                      • scottalanmillerS
                                        scottalanmiller @Dashrender
                                        last edited by

                                        @Dashrender said in DNS Update Issue:

                                        @JaredBusch said in DNS Update Issue:

                                        @PhlipElder said in DNS Update Issue:

                                        @JaredBusch said in DNS Update Issue:

                                        @wirestyle22 said in DNS Update Issue:

                                        @Dashrender said in DNS Update Issue:

                                        @wirestyle22 said in DNS Update Issue:

                                        Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                                        What do you normally use for your top level domain on an AD build?

                                        ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                                        If it looks like this, then it owns domain.com

                                        0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                                        Oh man, what a mess.

                                        Meh, not bad actually. Perfect? No. But small enough to not be a problem really.

                                        Definitely not what I would do now if I set it up new.

                                        This is just a throw back to the new days of AD. MS suggested just this - then after a while they suggested domain.local for the internal domain, and now they recommend ad.domain.com for the internal domain.

                                        MS originally suggested domain.local and stuck to it for a long time. That's how it started.

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

                                          @scottalanmiller said in DNS Update Issue:

                                          @Dashrender said in DNS Update Issue:

                                          @JaredBusch said in DNS Update Issue:

                                          @PhlipElder said in DNS Update Issue:

                                          @JaredBusch said in DNS Update Issue:

                                          @wirestyle22 said in DNS Update Issue:

                                          @Dashrender said in DNS Update Issue:

                                          @wirestyle22 said in DNS Update Issue:

                                          Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                                          What do you normally use for your top level domain on an AD build?

                                          ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                                          If it looks like this, then it owns domain.com

                                          0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                                          Oh man, what a mess.

                                          Meh, not bad actually. Perfect? No. But small enough to not be a problem really.

                                          Definitely not what I would do now if I set it up new.

                                          This is just a throw back to the new days of AD. MS suggested just this - then after a while they suggested domain.local for the internal domain, and now they recommend ad.domain.com for the internal domain.

                                          MS originally suggested domain.local and stuck to it for a long time. That's how it started.

                                          Pretty sure domain.local wasn't the thing in Windows 2000 days, that came in 2003 and lasted, as you said, a long time.

                                          JaredBuschJ 1 Reply Last reply Reply Quote 0
                                          • JaredBuschJ
                                            JaredBusch @Dashrender
                                            last edited by

                                            @Dashrender said in DNS Update Issue:

                                            @scottalanmiller said in DNS Update Issue:

                                            @Dashrender said in DNS Update Issue:

                                            @JaredBusch said in DNS Update Issue:

                                            @PhlipElder said in DNS Update Issue:

                                            @JaredBusch said in DNS Update Issue:

                                            @wirestyle22 said in DNS Update Issue:

                                            @Dashrender said in DNS Update Issue:

                                            @wirestyle22 said in DNS Update Issue:

                                            Simple case of me never doing this wrong I guess. What a weird thing to screw up. Didn't really have time to sift through it all.

                                            What do you normally use for your top level domain on an AD build?

                                            ad.domain.com theoretically. Everything I've ever touched is already in place. Although i'd love to rebuild my families infrastructure from the ground up.

                                            If it looks like this, then it owns domain.com

                                            0_1541003666906_37e6ed15-1833-4522-b29e-14a6a5f9fb5b-image.png

                                            Oh man, what a mess.

                                            Meh, not bad actually. Perfect? No. But small enough to not be a problem really.

                                            Definitely not what I would do now if I set it up new.

                                            This is just a throw back to the new days of AD. MS suggested just this - then after a while they suggested domain.local for the internal domain, and now they recommend ad.domain.com for the internal domain.

                                            MS originally suggested domain.local and stuck to it for a long time. That's how it started.

                                            Pretty sure domain.local wasn't the thing in Windows 2000 days, that came in 2003 and lasted, as you said, a long time.

                                            In 2000, it was simply domain

                                            DashrenderD 1 Reply Last reply Reply Quote 0
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