Windows DNS is the Microsoft implementation of the name resolution protocol for TCP/IP networks, such as the Internet. Client computers query a DNS server to resolve memorable, alphanumeric DNS names to the IP addresses that computers use to communicate with each other.

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Cant map share by name, only by ip…randomly

We have a logon script to map some shares that reside on a server that is both dns server and dc (windows server 2003 sbs). The problem is that sometimes it fails to map the drives from the script (...
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13 views

Are application partitions considered naming contexts?

This might just be semantics, but MS docs always seem to refer to NCs as the original Schema,Configuration,Domain Naming and then application partitions separately. Aren't application partitions ...
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28 views

Is _msdcs a separate application partition?

I have read in MS docs that by default DomainDnsZones.domain.com and ForestDnsZones.domain.com app partitions are created when dcpromo is run on the first DC in the forest. Isn't _msdcs not also ...
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45 views

How to add a subzone A record (root) using dnscmd?

I am able to edit a zone (xx.example.com) that I have ownership on using dnscmd and I can add and change records for any domains inside this zone like: "aaa.xx.example.com" Still, I observed that xx....
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161 views

Windows 2012 R2 - DNS resolving to internal IP

I'm currently working on my infrastructure and since now it was good. I have a Windows 2012 R2 server on AWS, with a Elastic (Public) IP. I have 3 domain: domain1.com -> point to a CPanel hosting,...
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30 views

Bogus DNS apex records on Windows secondary server

We are introducing a DNS BIND 9 master/secondary setup to be authoritative for a zone to replace an existing Windows Server 2008 R2 DNS infrastructure. In the interim, the former Windows AD-integrated ...
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1answer
41 views

As DNS clients do DCs put more load on DNS servers than regular workstations?

All DCs in this example are running DNS and DFSR. Edit: this is a single domain with an AD integrated zone. I have a DC in a central location and 60 or 70 DCs each in different a branch office. ...
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1answer
433 views

Will Windows Server 2012 support a nested conditional forwarder?

I work for a company with a split DNS configuration on the AD domain. I know that this is less than ideal, but I'm not in a position to drive change in this area. I own authoritative DNS (internal and ...
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2answers
154 views

Location dependant dns redirection

I have a corporate network with two sites. Each site has its own domain controller with dns service and both domain controllers are servicing the same company.net domain. We have an mpls network set ...
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1answer
2k views

Windows 2012 can't validate forwarders without a root zone?

(Disclaimer: I am not a Windows DNS admin. I do have a decent amount of DNS experience under my belt though, and this is not making any sense. I am working closely with the admins responsible for ...
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1answer
2k views

How do I scavenge or clean up stale *static* DNS entries in Windows Server?

About 9 months ago I became sys admin over Active Directory for a company. Today someone submitted a ticket pointing out that our DNS had a stale entry for an authoritative server. My investigation ...
2
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2answers
320 views

SSHFP records on Windows DNS Server

How can I add SSHFP records (or any arbitrary records) on Windows DNS Server? I'm running a DC with Windows 2012 R2 and would like to put the SSH keys of the Unix servers on the DNS.
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1k views

DNS issue? Currently no logon servers available

While I have read through lots of post that have the same error message, I have not been able to find a solution that works for my situation. I have one server, Windows 2008, that I rebuilt about a ...
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1answer
735 views

Migrate DNS from Linux to Windows 2008 DNS?

At the moment, the company I work for has an external facing DNS through server 2008 and our internal server points to a Linux server (I wasn't here for the original setup so more specifics are harder ...
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1answer
644 views

DNS - Remove Active Directory Integrated Forwarder on One Server

The zone in question is currently held on a single Windows 2003 Domain Controller in a remote office (the result of an acquisition), and I would like to create secondary zones at other locations in ...
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1answer
122 views

Modify DNS queries for TLD

There is an issue. They introduced new TLD ".dev" and I have internal zone "dev.companyname.com". Some internal users use short names to access hosts in this zone (i.e. they access hostname.dev ...
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0answers
167 views

Recursive query on Windows Server automation?

We have a bunch of 2008-2012 HyperV hosts who have Windows Server domain controllers (2008 DC level, 2008 and 2012 servers across different unrelated sites). Occasionally, when the DC guest comes up ...
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1answer
4k views

Alias (CNAME) record cannot be added to this DNS Name [duplicate]

In Microsoft DNS, I'm trying to setup a simple DNS Alias (CNAME) pointing from domain.com to www.domain.com. I also want to forward www.domain.com to a specific IP. In other words, I want to do ...
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1answer
211 views

Non-FQDN Intranet Subdomain

I have a production server and a development server. Each has their own CNAME record so employees don't have to type in the NetBIOS name of each machine. Lets say they're myapp and myappdev. I've set ...
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1answer
992 views

Adding a zone from a file via dnscmd - Microsoft DNS

I am trying to add a file backed zone on microsoft dns via dnscmd. I have a zone file in c drive, c:\Windows\zones\test.com.dns Upon entering the command, dnscmd /zoneadd test.com /primary /file c:...
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1answer
116 views

Windows DNS server for local network website unpredictable

There is a Windows server 2008 in my company LAN, that acts as a DNS server. In thesame LAN there is a linux server running redmine website (192.168.1.85). I want it to be reachable directly from the ...
3
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1answer
391 views

Forwarding requests made to Windows DNS server for a domain it's authoritative for but doesn't have a record matching the request, onto BIND?

Is it possible on a Windows DNS server to have it forward/proxy requests for a domain it's authoritative for but doesn't have a record matching the request.. onto another server like a BIND server ? ...
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3answers
1k views

_msdcs Zone Not Updating

I've been working on cleaning up our DNS/DHCP and I'm about ready to turn on scavenging (it's never been enabled) to start cleaning up some old records, but before I do, I wanted to check something. ...
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3answers
437 views

DNS slow after losing DNS Server

We have set up a small Windows Server 2008 R2 network with a domain controller which is also acting as the DNS server for the network (we opted to install DNS when setting up the domain). This network ...
3
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1answer
4k views

Proper way to create an NS record in Windows DNS

In BIND, you create an NS record that points to an A record: labs.example.com. IN NS ns1.example.com. ns1.example.com. IN A 192.168.80.50 In Windows DNS, you are first asked to provide the Domain ...
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1answer
965 views

What does a warning icon on a conditional forwarder mean in Windows DNS Manager?

The icon for one of the conditional forwarders on an Active Directory DNS server I manage has a standard warning icon (yellow triangle with exclamation point) overlay (all names have been changed to ...
2
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1answer
110 views

Secondary DNS server being used more often? [closed]

I have two Windows DNS instances. One is on an older physical machine with Windows 2008, the other is on a Hyper-V guest with Windows 2012 R2. The latter is the primary DNS. I've noticed that the ...
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1answer
2k views

DNS A records disappear, but PTR records still remain

We've been having issues with DNS records dropping. Usually it is from DHCP reservations, like printers. Yesterday it was two of our main servers, also DHCP-reserved. Right now I'm looking at a ...
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1answer
534 views

What is the format of the RRData argument of dnscmd /RecordAdd for TXT records?

The format for a TXT record is: owner TTL class TXT text_string The documentation for dnscmd.exe gives the following syntax for the \recordadd command: dnscmd [<ServerName>] /recordadd <...
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1answer
3k views

Redirect Domain Name to Internal Server [closed]

We have come up with an internally hosted system on server01.mycompany.local for hosting a phishing landing page. (We are auditing our users to see who falls for our simulated phishing attacks, ...
0
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1answer
45 views

DNS Entry configuration

Hello i am trying to setup a DNS to resolve to two different servers using ip addresses. we currently have the following set up *.domain.com A record -> Server A IP example.domain.com A record -&...
3
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2answers
703 views

Extraneous _msdcs. forward lookup zone failing replication, how do I check what uses it? and can I delete it?

We run Active directory on windows server 2008 and 2008 R2 in 2008 AD mode. Our DNS is part of the AD and runs on the same servers as the Global Catalogue. My predecessor created the environment ...
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66 views

DNS check showing Failed

Domain Controller OS - Windows Server 2008 R2 Standard. The Name of the Server is QSIT035V2 Can you tell me why i am receiving "QSIT035V2 failed test DNS" Error? Please see the print-screen Attached ...
2
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1answer
73 views

Is it safe to add parent domain as additional zone within DNS?

Our internal Windows domain is ad.company.co.uk. When we try to access mail.company.co.uk (for OWA or Outlook Anywhere, as an example), it resolves to the external IP address of the router and gets ...
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2answers
202 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 ...
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0answers
3k 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
2k 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 ...
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1answer
302 views

Windows DNS server deletes its own A record on reload

Okay so I have never seen anything like this. Here's the story. We have four DNS servers. Let's call them server01-04. server03 is set to be the primary one by DHCP. Scavenging is disabled ...
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1answer
54 views

restricting queries on microsoft dns

I'm trying to help someone configure a MS 2008 DNS Server, that it doesn't answer DNS queries from the root zone as well as only answers queries with the recursive bit set from the lan it's connected ...
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2answers
625 views

Have issues in reverse lookup

I need assistance in a reverse lookup issue. I have a server say XYZ.ABC.COM having an IP 10.20.30.40. If I ping the server, it is resolving to the correct IP. On reverse ping (i.e ping -a 10.20.30....
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1answer
5k 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 ...
2
votes
1answer
175 views

How to forward internal domain queries to external DNS

Please excuse the mangled terminology ;) You have a Windows DNS server handling internal traffic for the yourco.com domain. You want just the external website (www.yourco.com) to be ultimately ...
1
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1answer
892 views

Server 2008R2 : DNS Server registering multiple IPs for DNS Server itself

Hi I have installed Active Directory with Local DNS Server IPv4 only no IPv6 Local Area Connection IP is 192.168.1.101 but it also has VMWare Workstation 9 Installed Locally which created two VMWare ...
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2answers
145 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 ...
1
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1answer
124 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, ...
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0answers
138 views

How to breakout Reverse DNS Zones

I've inherited a Windows network with Windows server based DNS and there are issues, such as not being able to update PTR records, etc. So, I am at a branch office with our own AD domain and DNS on ...
2
votes
1answer
114 views

Computers using ::1 for DNS server on DHCP ipv6

When ever i look at ipconfig /all i see that my computers are getting ::1 for the first DNS server from my dhcp server. I have removed this entry from the list of DNS server in the options, but the ...
2
votes
1answer
816 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 ...
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5answers
560 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 ...
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5answers
7k views

How do I search Microsoft DNS? [closed]

I'm about to switch a mail server. I'd like to be able to search Microsoft DNS where MX Server == 'mail.foo.com' Or, perhaps CNAME.name == 'mail' OR CNAME.value == 'mail.foo.com' Does ...