DNS that is visible within your corporate network and VPN, but which is not visible on the public Internet.
Questions tagged [internal-dns]
886 questions
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dnsmasq: one domain, half private, half public?
Our internal office network has the same top-level domain as our company online presence, e.g. ourdomain.com.
For the outside world, any public hosts (eg. blog.ourdomain.com, download.ourdomain.com, www.ourdomain.com, etc.) are configured in the DNS…

ssc
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DNS Broken After Enabling Scavenging
Last Friday, I turned on DNS Scavenging on one of my domain controllers. This was done with the goal of removing old unused A records from decommissioned computers. However it turned out that our DHCP(provided by Meraki hardware) was misconfigured…

Matt Goldsmith
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3
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Will No-Refresh Intervals on a DNS server apply if scavenging is not enabled?
I recently inherited a rather messy network. In DNS I've noticed that hundreds of systems have A records older than a year. And after running a script to ping all of them, over half of them are still online. We are not (currently) using DHCP and at…

ChickenOverlord
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3 answers
Change to static DNS server on Amazon Linux AMI 2017.03
I'm going crazy because this should be easy especially when following the Amazon documentation. I've been using this reference from Amazon.
Just trying to change the DNS servers that an AWS EC2 instance uses to resolve domain names. Edited the…

nobodynew
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Unbound Syntax Error
I am trying to use unbound to forward requests to a pair of dns servers, while answering a small hand full of queries locally. In testing this out, I have built the following configuration at /etc/unbound/conf.d/my.zone.com.conf
forward-zone:
…

TheWellington
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PFSense DNS Not working
I replaced a Dell tower running PFSense 2.2 that kept needing to be rebooted with a Nokia (Nokia Checkpoint IP390 8 Gigabit Ethernet GbE 4GB CF 1GB RAM) rack mount appliance running the newest PFSense 2.3 that I got off eBay.
Things seemed to go…

Alan
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3
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Kubernetes with Google Cloud DNS
Using a Google Container Engine cluster running Kubernetes, what would the process be in order to point http://mydomain.co.uk onto a LoadBalanced ReplicationController?
I'm aware Kubernetes supports SkyDNS - how would I go about delegating Google…

Jacob Clark
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3
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Disabling dynamic DNS updates with Group Policy
I am administering a system which for reasons beyond my control have a disjoint DNS namespace. I don't like it, but that's how it is, and I have no way of changing this. The reason is that the servers need to co-exist with a pre-existing DNS…

Per von Zweigbergk
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4 answers
Windows 10 vpn change the dns settings
My Windows 10 VPN IPv4 Properties button does not work. Others have found this too. There are powershell workarounds for changing default gateway options, e.g.
Set-VpnConnection -Name "VPN-NETWORK-NAME-HERE" -SplitTunneling $True
What I need, is…

birdwes
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Single AD site needs alternative DNS records for two hosts in AD integrated DNS
We have 6 different AD sites all connected by IPSec tunnels in a full mesh aside from one office which cannot connect to our data centre for stupid ISP related reasons that are not fixable currently. We have AD integrated DNS and there are two web…

RobbieCrash
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Two DNS zones: one for internal, the other for DMZ servers, is it possible?
I currently work in a company that has two DNS servers (ns1 and ns2) open to the Internet on the DMZ, and it's hosting two zones: company.org and company.net. In both zones there are servers in the DMZ and in the internal LAN, and recursion is…

raphaelmsx
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3
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Work around windows automatically appending DNS suffix
At my workplace, our IT department manages a DNS server. My department works a lot with websites and to access staging servers we need to have certain domains map to those servers. Personally I just edit my hosts file, but our team is somewhat large…

Cameron Ball
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How to implement DHCP, DNS, hostnames on AWS VPC
This is what I THINK can happen and what I want.
I create a VPC in Amazon, put a public subnet into it, put a puppet server instance and a full stack web server instance in the VPC.
Now I set the hostname for the puppet server 'puppet' and for the…

Dennis
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Wildcard Sub-domain of Sub-domain
I have the domain example1.com - DNS managed at Linode.com
There is a site hosted at example1.com (1.1.1.2) and it works fine.
I have an A record for example1.com that points sub.example1.com to 1.1.2.2
I can confirm requests to sub.example1.com…

Ralph
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local short host name resolution: DNS/BIND vs. netbios vs. Windows
Short question: how can I ping by short hostname from Windows when DNS is correct?
Protracted exposition:
On Hold
I've been instructed to address other things since this began, so I haven't gotten back to it yet. Thank you to those who've replied…

zedmelon
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