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Questions tagged [internal-dns]

DNS that is visible within your corporate network and VPN, but which is not visible on the public Internet.

886 questions
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BIND, RPZ and Forwarding priorities

My objective is to block certain domains in bind WITHOUT first looking up their address (this is a small caching bind dns server). Currently my configuration will forward the request for badhost.com and get the IP address (I can see this in…
Jon T
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Access libvirt+KVM virtual machines with DNS

I have an Ubuntu Trusty machine running KVM + Libvirt to manage small virtual machines, and using the standard NetworkManager to connect to regular networks. I want to be able to access the virtual machines via DNS from the host. Libvirt uses a…
Tim Jones
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Ubuntu DNS Lookup Failure

Some one installed and configured ubuntu on a virtual machine hosted on a machine in our network. I've recently noticed that all DNS lookup's fail but i cant find a solution to this. I've tried a multitude of nameservers, edited the interfaces file…
Lee
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Large AXFR through dnsmasq causes dig to hang with partial results

I'm attempting to set up dnsmasq as a local cache for consul. While this seems to work fine for normal digs, dnsmasq seems to only allow partial zone transfers. My resolv.conf: search x.domain.com y.domain.com z.domain.com domain.com nameserver…
Connor Bell
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Decisions about DNS on IPv6

We are rolling out IPv6, and I'm thinking about our DNS strategy. This is not a technical question--it's more of a "best practice" question. We have Active Directory internally, and the domain controllers handle both the authoritative DNS for our…
theglossy1
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How to fully disable Dynamic DNS on Windows Server?

so we're a University campus, and in DNS Manager, all the students phones, tables, etc, are registering their A records in DNS. We don't want them to. Ideally, we'd just have domain joined devices registering/updating their DNS records. We've done…
amoreno
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dnsmasq: failed to create listening socket for port 53: Address already in use

I got this error when i done the setup dnsmasq. ashokkrishna@krishna:~$ sudo dnsmasq dnsmasq: failed to create listening socket for port 53: Address already in use ashokkrishna@krishna:~$ netstat -lpn | grep :53 (Not all processes could be…
ashok
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How to use CNAME to external hosts on local DNS Server?

I have a domain mydomain.com and I'm using an external DNS Server to resolve some names like www.mydomain.com and webmail.mydomain.com on Internet. Now, I need to create a rule, only on my LAN, to resolve newserver.mydomain.com to…
Ederson
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Run local dns-server that forwards dns querys to different dns nameservers

I would like to run my own local dns-server, that forwards only some dns-queries to special dns-servers and all others to the public google dns servers. The database of the local DNS-Server should not cache the queries. E.g.: all subdomains with…
user1861174
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Resolve hostname without FQDN

I'm trying to configure Bind for internal LAN usage only (Linux server, Windows clients) and I would like to resolve workstation both by fqdn and shortname. For example, without DNS server, supposing to have a host named host001 I'm able to do: …
Eddie C.
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IP address used by nslookup and ping is different

I have a web server hosted in the network. It has a domain name registered. However, I also host a DNS server for the LAN. So, when someone wants to access the web server, it would check the DNS server and use the internal address 192.168.x.x. The…
ht2
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Microsoft DNS: Provide different answers per-src-subnet to same query - do I need full split horizon/brain?

I have a network with two vlans, both of which refer to my AD server(s) for DNS. Some servers on this network are multi-homed. Lets say we have the two subnets A: 192.168.7.0/24 and B: 192.168.5.0/24. Then we have a server whose hostname is…
Tom Newton
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NAT Reflection, or Split DNS?

I'm working on a network restructure that has three geographical locations, but will share some services. Two of the locations have workstations, and one has only servers (in a CoLo facility). We will be running PfSense firewalls, and several hosts…
Bryan Agee
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IPv6 over Cisco IPSec VPN?

We use a Cisco ASA 5505 as the firewall and IPSec VPN endpoint on our network. We use split-tunneling to reduce the load on our internet link. In other words, when someone is connected to the VPN their DNS queries go through our internal DNS server,…
Martijn Heemels
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How to intercept and manipulate DNS queries?

I'm not sure if I worded the question correctly to be honest but basically what I want to do is: When a user types in something like Expenses in the URL bar of a browser, I want the browser to be directed to a specific web address (very very similar…
emtunc
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