0
votes
0answers
20 views

Potential Microsoft DNS server cache corruption?

I'm in an enterprise environment that has 2 Windows 2008 R2 domain controllers running in native 2008 R2 mode. On these DCs, the DNS service is installed and all Windows (XP,7) clients (~2,000) are ...
1
vote
2answers
32 views

DNS server cache is empty

while checking my DNS server, i found that there is no record in cache of my DNS server ( Please see the print-screen ), can you tell me why? It is the only DNS server which is online, another DNS ...
1
vote
0answers
44 views

DNS Scavenging not deleting stale DNS record

I have set the following DNS Setting for Scavenging so that stale record must be automatically deleted, still it is not working ( Please see the print-screen ) 24 hrs has been passed still Stale ...
3
votes
1answer
88 views

Using Microsoft DNS to respond based on requesting subnet

In our enterprise Windows Active Directory environment, we have some 50+ subnets scattered across a large geographical area. We have a system at each site that supports the site by providing a ...
0
votes
1answer
118 views

DNS Entries with Very Old Timestamps

I recently started looking into a problem where an IT service desk user reported getting connected to an incorrect workstation while trying to help an internal customer. I started digging around our ...
0
votes
2answers
105 views

Can we put random entries on DNS

Using microsoft DNS All/most of our local hosts ( with in ) are in following domain *.company.org So a host name will look like mymachine001.company.org Is it possible to set up wild card DNS ...
0
votes
1answer
73 views

Microsoft DNS 'Virtual' subdomain?

I've been studying DNS, and would like to know if/how this is possible in MS DNS - Say you have an AD domain - domain.com - in a main office. The subnets here might be 10.0.0.0/24 - 10.0.10.0/24, ...
2
votes
1answer
348 views

enable large DNS queries on Microsoft 2008 R2 DNS server

When I run the Network analyzer at http://netalyzr.icsi.berkeley.edu/ it reports: The resolver at could not process the following tested types: Medium (~1300B) TXT records Large (~3000B) TXT ...
1
vote
4answers
248 views

Different Routes For The Same DNS

I don't know the right term for this concept. But basically, I just want to reroute internal traffic to go directly to a server within the network instead of going around the internet. The domain have ...
0
votes
1answer
221 views

How to delegate a zone from Microsoft Windows 2003 DNS server to dnsmasq?

I have a split domain setup on my production server farm: Each server has both an external (internet facing) IP address and a private internal (LAN facing) IP address. A local DNS server running ...
4
votes
2answers
942 views

The DNS server machine currently has no DNS domain name

I found the following message inside the DNS Server Event logs. What I should do has been explained inside the message but not sure what exactly it means. Log Name: DNS Server Source: ...
1
vote
1answer
75 views

Nameserver A records in Microsoft DNS

I think I understand that in DNS a given zone must return its own nameservers (as NS records) in order that intermediary DNS servers are able to then query information directly about that domain. ...
0
votes
2answers
106 views

Microsoft 2003 DNS sometimes cant query for some A pointers when their TTL expires

Warning Long question :) We have a win 2003 server with a DNS server, every now and then it cant provide us with some A pointers for a specific domain. I have a small script running which asks for ...
2
votes
3answers
935 views

Two CNAME records being resolved differently (Windows 2003 Server)

Note: this is a followup to an earlier question after further investigation. The issue (so far) seems to be isolated to a Win2003 DNS server (though I haven't tried other server-types) The questions ...
0
votes
4answers
2k views

DNS Server (MS) returns NXDOMAIN, original returns NOERROR

My ISP has recently made a "small change" to their own DNS server configuration. As a possible coincidence, this is about the same time as I came across a local DNS problem (who knows, it could be ...
1
vote
6answers
613 views

Require authoritative answer for DNS resolution

We have two forward lookup zones (intranet.com and mayberry.com) that aren't actually registered to us. Sometimes, our MS DNS server forwards the queries for network resources within these domains to ...
2
votes
1answer
1k views

Server 2008 R2 DNS Lockup / Stops Resolving Internet Names

We've deployed our first 2008 R2 server on a client site which has replaced their existing 2003 DC. This server provides DNS resolution services to all client machines on that site for general ...