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DNS Forwarders and Delegation issues

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I have been having multiple issues the most recent of which is outlooks inability to receive mail, after a lot of trouble shooting it seems there is a DNS issue, so I ran the DCDiag test and received the following results.  Given that I have very little experience managing a server and have no colleagues to turn to can anyone tell me the safest way to identify and remove the specific faults?

I appreciate any advice given.

H:\>DCDiag/test:DNS

Directory Server Diagnosis

Performing initial setup:
   Trying to find home server...
   Home Server = WHHA-SVR01
   * Identified AD Forest.
   Done gathering initial info.

Doing initial required tests

   Testing server: Default-First-Site\WHHA-SVR01
      Starting test: Connectivity
         ......................... WHHA-SVR01 passed test Connectivity

Doing primary tests

   Testing server: Default-First-Site\WHHA-SVR01

      Starting test: DNS

         DNS Tests are running and not hung. Please wait a few minutes...
         ......................... WHHA-SVR01 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 : WHHA

   Running enterprise tests on : WHHA.local
      Starting test: DNS
         Test results for domain controllers:

            DC: WHHA-SVR01.WHHA.local
            Domain: WHHA.local


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

               TEST: Forwarders/Root hints (Forw)
                  Error: Root hints list has invalid root hint server:
                  a.root-servers.net. (2001:503:ba3e::2:30)
                  Error: Root hints list has invalid root hint server:
                  b.root-servers.net. (128.9.0.107)
                  Error: Root hints list has invalid root hint server:
                  f.root-servers.net. (2001:500:2f::f)
                  Error: Root hints list has invalid root hint server:
                  h.root-servers.net. (2001:500:1::803f:235)
                  Error: Root hints list has invalid root hint server:
                  i.root-servers.net. (2001:7fe::53)
                  Error: Root hints list has invalid root hint server:
                  j.root-servers.net. (2001:503:c27::2:30)
                  Error: Root hints list has invalid root hint server:
                  k.root-servers.net. (2001:7fd::1)
                  Error: Root hints list has invalid root hint server:
                  l.root-servers.net. (198.32.64.12)

               TEST: Delegations (Del)
                  Error: DNS server: server.whha.local. IP:<Unavailable>
                  [Missing glue A record]
                  Error: DNS server: whha-svr01.whha.local. IP:192.168.0.4
                  [Broken delegated domain autodiscover.whha-svr01.WHHA.local.]
                  Error: DNS server: whha-svr01.whha.local. IP:192.168.0.4
                  [Broken delegated domain autodiscover.WHHA.local.]

               TEST: Records registration (RReg)
                  Network Adapter
                  [00000006] Broadcom NetXtreme Gigabit Ethernet:
                     Warning:
                     Missing AAAA record at DNS server 192.168.0.4:
                     WHHA-SVR01.WHHA.local

                     Warning:
                     Missing AAAA record at DNS server 192.168.0.4:
                     gc._msdcs.WHHA.local

                     Warning:
                     Missing AAAA record at DNS server 192.168.0.4:
                     WHHA-SVR01.WHHA.local

                     Warning:
                     Missing AAAA record at DNS server 192.168.0.4:
                     gc._msdcs.WHHA.local

               Warning: Record Registrations not found in some network adapters

         Summary of test results for DNS servers used by the above domain
         controllers:

            DNS server: 192.168.0.4 (whha-svr01.whha.local.)
               2 test failure on this DNS server

            DNS server: 128.9.0.107 (b.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DN
S server 128.9.0.107
            DNS server: 198.32.64.12 (l.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DN
S server 198.32.64.12
            DNS server: 2001:500:1::803f:235 (h.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa failed on the DNS server 2001:500:1::803f:235

            DNS server: 2001:500:2f::f (f.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa failed on the DNS server 2001:500:2f::f

            DNS server: 2001:503:ba3e::2:30 (a.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa failed on the DNS server 2001:503:ba3e::2:30

            DNS server: 2001:503:c27::2:30 (j.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa failed on the DNS server 2001:503:c27::2:30

            DNS server: 2001:7fd::1 (k.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa failed on the DNS server 2001:7fd::1

            DNS server: 2001:7fe::53 (i.root-servers.net.)
               1 test failure on this DNS server
               PTR record query for the 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa failed on the DNS server 2001:7fe::53

         Summary of DNS test results:

                                            Auth Basc Forw Del  Dyn  RReg Ext
            _________________________________________________________________
            Domain: WHHA.local
               WHHA-SVR01                   PASS WARN FAIL FAIL PASS WARN n/a

         ......................... WHHA.local failed test DNS

H:\>


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