this problem started last week and continues. DNS seems to be working fine on my server, no errors in event log. while surfing the internet we will get an occasional “unable to display page” error. you can hit refresh a few times and it will finally load the page. i ran a through dns test and here are the results, the ones that failed. this is a SBS 2003 SERVER.
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 202.12.27.33
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
DNS server: 199.7.91.13 (d.root-servers.net.)
1 test failure on this DNS server
This is not a valid DNS server. PTR record query for the 1.0.0.12
7.in-addr.arpa. failed on the DNS server 199.7.91.13
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
DNS server: 199.7.83.42 (l.root-servers.net.)
1 test failure on this DNS server
This is not a valid DNS server. PTR record query for the 1.0.0.12
7.in-addr.arpa. failed on the DNS server 199.7.83.42
[Error details: 1460 (Type: Win32 – Description: This operation r
eturned because the timeout period expired.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 198.41.0.4
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 193.0.14.129
[Error details: 1460 (Type: Win32 – Description: This operation r
eturned because the timeout period expired.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.58.128.30
[Error details: 1460 (Type: Win32 – Description: This operation r
eturned because the timeout period expired.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.5.5.241
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.36.148.17
[Error details: 1460 (Type: Win32 – Description: This operation r
eturned because the timeout period expired.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.33.4.12
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
DNS server: 192.228.79.201 (b.root-servers.net.)
1 test failure on this DNS server
This is not a valid DNS server. PTR record query for the 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.228.79.201
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.203.230.10
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 192.112.36.4
[Error details: 1460 (Type: Win32 – Description: This operation r
eturned because the timeout period expired.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 128.8.10.90
[Error details: 9002 (Type: Win32 – Description: DNS server failu
re.)]
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 1.0.0.12
7.in-addr.arpa. failed on the DNS server 128.63.2.53
[Error details: 1460 (Type: Win32 – Description: This operation r
eturned because the timeout period expired.)]
DNS server: 170.215.184.3 (<name unavailable>)
All tests passed on this DNS server
This is a valid DNS server.
DNS server: 170.215.126.3 (<name unavailable>)
All tests passed on this DNS server
This is a valid DNS server.
DNS server: 10.10.10.3 (<name unavailable>)
All tests passed on this DNS server
This is a valid DNS server.
Name resolution is funtional. _ldap._tcp SRV record for the fores
t root domain is registered
DNS server: 10.10.10.1 (fw001.fwmfg.local.)
All tests passed on this DNS server
This is a valid DNS server.
Name resolution is funtional. _ldap._tcp SRV record for the fores
t root domain is registered
Delegation to the domain _msdcs.fwmfg.local. is operational
Summary of DNS test results:
Auth Basc Forw Del Dyn RReg Ext
________________________________________________________________
Domain: fwmfg.local
fw001 PASS PASS PASS PASS PASS PASS n/a
fw003 PASS PASS FAIL PASS PASS PASS n/a
i have a feeling it has to do with my forwarders. seems like an awfully lot of these are failing. any help would be greatly appreciated..
You should only have fwmfg.local not the msdcs.fwmfg.local
There is no reason for the alias’s. Instead you should have host entries with their ip addressess like
fw001 Host(A) ip address static
fw003 Host(A) ip address static
You should also see
_msdcs
_sites
_tcp
_udp
here. Do you?
It appears someone has been editing the dns server entries. Who and when did this happen?
We also have the issue of 1.0.0.127.in-addr.arpa. 127.0.0.1 is the loopback ip which if being consulted for dns goes nowhere.
Do you see the 1.0.0.127 in the reverse lookup zone? What do you have listed for dns in the servers dns tcp/ip properties?
Answers are only as good as the information you provide.
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