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Questions tagged [windows-dns]

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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170 views

dcdiag DNS test fails, but DNS seems to be working properly

Active Directory setup: Single forest, 3 domains, with 1 domain controller each. All running server 2008 R2, with the same domain/forest functional level. DNS clients are configured as follows: DC1 ...
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0answers
90 views

DNS client refuses to update Windows DNS server

Server 2016- DC and client Windows Integrated DNS Not sure why this is happening. I join a computer to AD and it updates DNS with its record. The IP changes on the client but the record never ...
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1answer
242 views

single 2008 R2 Domain controller cannot find itself

I have a 2008 R2 Standard server that acts as Domain controller and has exchange 2010 installed. There are no other servers in the environment. I'm having some problems with the exchange services ...
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1answer
94 views

Bind - forward DNS Query

Gentlemans, this question is VIQ (Very Important Question :D ) Can BIND forward missing DNS query of an existing zone to Windows DNS server in same local network? We need Active Directory ( and Active ...
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0answers
280 views

Microsoft Windows 2012 dns server loses connectivity to root hint servers

We are experiencing an odd situation, our DNS/domain controllers keep losing there ability to connect to the root hint servers. This lasts for about 5 minutes and happens a few time everyday. We ...
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0answers
273 views

Windows 2012 R2 DNS SERVFAIL on linux / mac clients

SERVFAIL is causing issues with some of our applications on linux/macs. I presume this is Windows DNS causing some problems with our linux/mac clients? Then again Windows clients are able to do ...
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1answer
1k views

To delete DNS records in AD-integrated DNS, what permissions are needed and where?

I would like to be able to allow a specific user to delete DNS records from my Active Directory-integrated DNS zones. One zone is replicated to all DNS servers on DCs in the domain (so in ...
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2answers
2k views

Windows dns analytic logging to remote destination

Full disclosure, I am not a Windows admin and neither a Windows expert. As of Windows 2012 r2, it is supported to record DNS Analytic logs in Windows DNS server. My task is to get those logs to a ...
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1answer
2k views

Windows Server 2012 to 2016 Active Directory Migration

I am migrating an Active Directory Domain from Server 2012 to Server 2016. Everything I've read says that simply setting up the 2016 server as a replica and then transferring FSMO roles to the new ...
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2answers
751 views

Windows DNS Server: 3 seconds before NXDOMAIN response

I'm wondering if there is a way to control the time required before an NXDOMAIN response is given. It seems to me that if a query is made for a record that doesn't exist, it takes 3 seconds before the ...
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1answer
151 views

Windows DNS server recursive resolving issue with dns policy

I am using dns policy with windows dns server. In my scenario I want to allow recursive queries in local subnet (192.168.1.0/24) and deny for others. It works great until querying for a domain (...
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1answer
254 views

How to block local ns records to the public?

I have a DNS and active directory server behind NAT (I have to). On DNS server AD automatically adds a NS record for private ip address. How can I set a policy to response local NS record for a ...
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1answer
478 views

Can Linux machines joined to active directory update its DNS records?

Well question is above, but to explain my setup: Mikrotik as gateway running DHCP (DNS set to AD) Windows 2012 as Active Directory and DNS CentOs7 as client I let CentOs pickup IP from DHCP on ...
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1answer
821 views

Windows DNS Server: Problems after DNS server cache clearing. What does Clear-DnsServerCache do?

On Friday I changed a public DNS A-record to a new IP address on our provider's DNS service for our public web-domain. To make these changes populate faster in our intranet (for our intranet clients/...
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1answer
754 views

Microsoft DNS : SRV record for sub-domain without creating a new zone

On Microsoft DNS server (Windows Server 2012): We have a DNS Zone for domain.com We need to create the following SRV record: _xmpp-server._tcp.child.domain.com => target is = host.domain.com Can we ...
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1answer
41 views

Filtering External Domains that Resolve to Internal IP Addresses

I'm looking into protecting against DNS rebinding attacks in-depth. Naturally, using HTTPS and making sure anything else validates the Host header does a good job at protecting from DNS rebinding ...
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1answer
775 views

DNS Glue Records - Route 53 Domain/Godaddy Reject

We have a domain muzzard.com that is DNS hosted with AWS Route 53 AWS has give us the following nameservers ns-1996.awsdns-57.co.uk,ns-1368.awsdns-43.org,ns-777.awsdns-33.net,ns-436.awsdns-54.com ...
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2answers
728 views

change TTL on SOA with dnscmd

Hi i'm using dnsmcd command on my windows server 2012 in order to create new zones from csv file. But i need to change TTL on SOA record so i try to do this: dnscmd /recordadd example.com `@ 300 SOA ...
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1answer
337 views

How to add multiply dns zone files via dnscmd

I have current Windows DNS server which is hosting something around 500 standard (non-AD) zones. I need transfer all of them to the new server. I copied .dns files from C:\Windows\System32\DNS from ...
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1answer
92 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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0answers
374 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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1answer
46 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
1k 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
358 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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2answers
10k 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
6k 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 ...
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2answers
815 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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2k 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
2k 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
2k 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
306 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
318 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
10k 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
382 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
4k 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
472 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 ...
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1answer
975 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
3k 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
638 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 ...
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1answer
14k 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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3answers
2k 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 ...
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1answer
194 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
3k 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
1k 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
5k 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, ...
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1answer
48 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 -&...
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2answers
911 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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0answers
114 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 ...
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1answer
90 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
470 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 ...