DNS Server problemer

Hej,

Jeg har i alt 3 DNS Servere på mit netværk. (Den ene af dem skal snart udfases).

Der er i mellem de 3 dns servere opsat Zone transfer.

Jeg har lige kørt dcdiag /test:dns på alle maskiner for at kontrollere hvor vidt DNS fungerede.

Dog får jeg nogle fejl:
TEST: Forwarders/Root hints (Forw)
                  Error: Forwarders list has invalid forwarder: 193.162.153.164 (<name unavailable>)
                  Error: Forwarders list has invalid forwarder: 194.239.134.83 (<name unavailable>)
                  Error: Root hints list has invalid root hint server: a.root-servers.net. (198.41.0.4)
                  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: c.root-servers.net. (192.33.4.12)
                  Error: Root hints list has invalid root hint server: d.root-servers.net. (128.8.10.90)
                  Error: Root hints list has invalid root hint server: e.root-servers.net. (192.203.230.10)
                  Error: Root hints list has invalid root hint server: f.root-servers.net. (192.5.5.241)
                  Error: Root hints list has invalid root hint server: g.root-servers.net. (192.112.36.4)
                  Error: Root hints list has invalid root hint server: h.root-servers.net. (128.63.2.53)
                  Error: Root hints list has invalid root hint server: i.root-servers.net. (192.36.148.17)
                  Error: Root hints list has invalid root hint server: j.root-servers.net. (192.58.128.30)
                  Error: Root hints list has invalid root hint server: k.root-servers.net. (193.0.14.129)
                  Error: Root hints list has invalid root hint server: l.root-servers.net. (198.32.64.12)
                  Error: Root hints list has invalid root hint server: m.root-servers.net. (202.12.27.33)
       
        Summary of test results for DNS servers used by the above domain controllers:

            DNS server: 202.12.27.33 (m.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 202.12.27.33
             
            DNS server: 198.41.0.4 (a.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 198.41.0.4
             
            DNS server: 198.32.64.12 (l.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 198.32.64.12
             
            DNS server: 194.239.134.83 (<name unavailable>)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 194.239.134.83
             
            DNS server: 193.162.153.164 (<name unavailable>)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 193.162.153.164
             
            DNS server: 193.0.14.129 (k.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 193.0.14.129
             
            DNS server: 192.58.128.30 (j.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.58.128.30
             
            DNS server: 192.5.5.241 (f.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.5.5.241
             
            DNS server: 192.36.148.17 (i.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.36.148.17
             
            DNS server: 192.33.4.12 (c.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.33.4.12
             
            DNS server: 192.203.230.10 (e.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.203.230.10
             
            DNS server: 192.112.36.4 (g.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.112.36.4
             
            DNS server: 128.9.0.107 (b.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 128.9.0.107
             
            DNS server: 128.8.10.90 (d.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 128.8.10.90
             
            DNS server: 128.63.2.53 (h.root-servers.net.)
              1 test failure on this DNS server
              This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 128.63.2.53
             
Jeg ved at de 2 forwarders er korrekte, da jeg lige har fået dem oplyst af TDC.

Er der nogen der ved hvad der kan være galt? Jeg har lige opdateret b.root-servers.net efter at have læst på deres hjemmeside at den har fået ny IP.

/f-andersen