DNS not updating

My DNS servers are not updating. E.g. If I check for my PC in Forward Lookup Zones the IP listed is wrong.
(All AD integrated, 2 x 2008 1 x 2012)

Results of DCDIAG: -
   Home Server = MYSERVER
   * Identified AD Forest.
   Done gathering initial info.
Doing initial required tests
   Testing server: Default-First-Site-Name\MYSERVER
      Starting test: Connectivity
         ......................... MYSERVER passed test Connectivity
Doing primary tests
   Testing server: Default-First-Site-Name\MYSERVER
      Starting test: DNS
         DNS Tests are running and not hung. Please wait a few minutes...
         ......................... MYSERVER passed test DNS
   Running partition tests on : ForestDnsZones
   Running partition tests on : DomainDnsZones
   Running partition tests on : Schema
   Running partition tests on : Configuration
   Running partition tests on : MYDOMAIN
   Running enterprise tests on : MYDOMAIN.com
      Starting test: DNS
         Test results for domain controllers:
            DC: MYSERVER.MYDOMAIN.com
            Domain: MYDOMAIN.com

               TEST: Basic (Basc)
                  Warning: The AAAA record for this DC was not found

               TEST: Dynamic update (Dyn)
                  Warning: Failed to add the test record dcdiag-test-record in z
one MYDOMAIN.com

               TEST: Records registration (RReg)
                  Network Adapter
                  [00000007] HP NC382i DP Multifunction Gigabit Server Adapter:
                     Warning:
                     Missing AAAA record at DNS server xxx.xxx.xxx.1:
                     MYSERVER.MYDOMAIN.com

                     Warning:
                     Missing AAAA record at DNS server xxx.xxx.xxx.1:
                     gc._msdcs.MYDOMAIN.com

                     Warning:
                     Missing AAAA record at DNS server xxx.xxx.xxx.2:
                     MYSERVER.MYDOMAIN.com

                     Warning:
                     Missing AAAA record at DNS server xxx.xxx.xxx.2:
                     gc._msdcs.MYDOMAIN.com

                     Warning:
                     Missing AAAA record at DNS server xxx.xxx.xxx.3:
                     MYSERVER.MYDOMAIN.com

                     Warning:
                     Missing AAAA record at DNS server xxx.xxx.xxx.3:
                     gc._msdcs.MYDOMAIN.com

               Warning: Record Registrations not found in some network adapters

               MYSERVER                       PASS WARN PASS PASS WARN WARN n/a
         ......................... MYDOMAIN.com passed test DNS

Can anyone help?
HKFueyAsked:
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Soheil GharedaghiICT ConsultantCommented:
Hi,

You mean they are not replicating or none of your A records get update ?
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HKFueyAuthor Commented:
The servers seem to be replicating OK and I'm getting no major errors.

When I ping PC names they seem to be returning the IP6 address when they used to return the IP4 one.

The 2012 DNS server has been added recently.
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Dan McFaddenSystems EngineerCommented:
1. Logon to the server running DNS with Admin privilages
2. run the DNS Manager
3. right-click the DNS server, select properties.
4. on the Interfaces tab, click on "Only the following IP Addresses:"
5. uncheck the IPv6 address(es) that are probably enabled.
6. click OK.

My guess is that this is a default installation and the Interfaces option "All IP Addresses" was selected.

Dan
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Dan McFaddenSystems EngineerCommented:
I would do this for all of the DNS Services in your environment.  IMO, its best to have the DNS Service running on only 1 IP address.  

Dan
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HKFueyAuthor Commented:
Hi Dan,
I've set all 3 to listen on the IP 4 address, I will monitor.

Further info, for some PC's I can see more than one IP4 entry in the forward lookup zone, they are not being deleted
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Soheil GharedaghiICT ConsultantCommented:
Do you have DHCP server?
it seems your dhcp server is not updating or discard your DNS entries, check the DHCP server credentials.
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HKFueyAuthor Commented:
Thanks guys, my DNS seems to be working now!
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