Questions tagged [internal-dns]

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

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Since when the linux host utility ignores /etc/hosts? [closed]

I was struggling trying to find out the reason why the linux host utility was ignoring my /etc/hosts file until I find the answer to my question here: hosts file seems to be ignored: With this ...
Luis Fernando Alen's user avatar
0 votes
1 answer
5k views

Cisco asa 5505 to use internal DNS server

I have just installed and configured a ASA 5505 firewall (basic license) which has 3 VLANs (outside, trusted, untrusted) and the configuration is really basic. Outside is for internet, trusted is ...
rzetterberg's user avatar
3 votes
5 answers
396 views

How to convince a corporation to use DNS? [closed]

This is not the first time in my life when I have to convince a smaller corporation about using DNS service instead of /etc/hosts files and IP addresses. It might seem silly/funny at the first time, ...
Istvan's user avatar
  • 2,600
0 votes
2 answers
387 views

DNS and Subnet mask

If I change the subnet mask on my network will it effect the DNS server there? I just did an upgrade from 03 to 08 AD and when i did the upgrade i by accident put the subnet mask at 255.255.255.128, ...
GabrielVa's user avatar
  • 119
1 vote
3 answers
5k views

Windows DNS times out when connected to VPN

I've got a Windows Server 2008 R2 AD server that handles DNS for my network. From the main LAN, DNS works fine. However, when you connect remotely from the VPN, DNS returns internal resources ...
Dan R's user avatar
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3 answers
5k views

My external IP opens my adsl model configuration instead of pointing to my server even after PF?

I have forwarded port 80 of my ADSL router modem (DLINK DSL 2640 T) for virtual server 192.168.1.18 which is my server running apache . Problem is typing 192.168.1.18 points to apache webpage on my ...
Mr Coder's user avatar
  • 195
0 votes
4 answers
5k views

Dnsmasq on Tomato firmware won't reply from simple name address

I want to be able to access computer 192.168.0.3 from the simple name "pos". Not "pos.com" or anything. With my setup below I can ping dev.pos, just not pos. I have to ping mydomain.pos to get a ...
JakeTheSnake's user avatar
2 votes
4 answers
1k views

Resolve domain to another domain's IP on Linux via local DNS

I have a local domain name "SomeName" and an Internet domain "AnotherName.dyndns.org" whose IP can change at any time (it uses a dynamic DNS). I want to resolve "SomeName" to "AnotherName.dyndns.org"'...
liviucmg's user avatar
  • 283
2 votes
2 answers
6k views

Internal DNS for non domain users

At the company I am at we have an Active Directory setup with an DNS server. All the computers that are part of the domain can resolve name from the DNS server with no problem. The current issue is ...
Cliffboss's user avatar
1 vote
2 answers
7k views

How do I make a DNS record for only one subdomain and forward the rest?

I am using Windows server 2003. My primary domain controller is my DNS. I want to make an internal subdomain for my main website, like a staffpage.oursite.com . However I do not have a zone for ...
xphacterzero's user avatar
3 votes
1 answer
246 views

Prevent Server 2003 DNS from caching Failed Lookups

We have a Server 2003 running DNS with Root Hints but with some forwarders for specific domains that contain private services. The DNS servers for the private services are on site to site links, and ...
Dom's user avatar
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1 answer
123 views

What DNS entries should exist for primary domain?

I have an old domain that was first set up in NT4 days. It has been through several admins, some better than others. The last upgrade done was from 2003 to 2008 R2 via a migration to new DCs. I'm now ...
Tim Brigham's user avatar
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1 answer
824 views

Wrong DNS name for client when client connects to MySQL - how to use another client host name?

I'm trying use a host restricted MySQL user when connecting from one Amazon EC2 instance to another. I wanted to use elastic ip address for their dns function, but you can probably ignore the Amazon ...
KCD's user avatar
  • 968
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2 answers
151 views

When my domain users in “example.org” type the internet address, www.example.org they cannot get to the public domain website

I have a Server 2008 Domain Server [DC Controller] named “example.org” the same as my public internet domain www.example.org When my domain users in “example.org” type the internet address, www....
Tony's user avatar
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1 vote
2 answers
13k views

DNS update to resolve external address as internal IP

This should be a simple one: We have an inhouse mail server, so our outlook users hit it locally.. mailserver.mydomain.local But smartphone and laptop users need to be able to hit it from inside and ...
jeremy's user avatar
  • 855
3 votes
2 answers
2k views

Split DNS - Cleanest solution for easy maintenance?

We have split DNS set up for our domain, which causes internal clients to resolve different DNS records from external clients. As it is right now, the two zones are managed completely separately. For ...
Moduspwnens's user avatar
2 votes
1 answer
80 views

Adding SSL certificate made it impossible to access all virtual hosts

I just added a self signed SSL certificate on one of my virtual hosts. I'm using Ubuntu Server and Webmin, if that helps. The site I added the certificate for works perfectly, but trying to access a ...
Arthur's user avatar
  • 279
1 vote
2 answers
3k views

Why is DNS updating every hour on the hour?

I have a Server with a statically set IP address of 10.200.0.30 It has a Dynamic DNS entry matching its computer name to its IP Every hour on the hour it changes its DNS entry to a random IP address ...
Ruisu's user avatar
  • 485
1 vote
2 answers
65 views

project / user based internal DNS setup

I work for a studio that spends its days developing websites. There are often multiple people working on a project at once. I would like to be able to let people share what they are working on with ...
rabidpraxis's user avatar
1 vote
1 answer
3k views

How to access expired domain website hosted on dedicated server without doing any configuration

I am not sure, this might be a stupid question. but I would like to know if that is possible. and any website available from where I can do this online. One of my website is hosted on server i.e. ...
user57221's user avatar
  • 297
5 votes
2 answers
8k views

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....
Tom Newton's user avatar
  • 4,181
2 votes
2 answers
4k views

Windows Cluster IP/Hostname doesn't respond to UNC requests, yet ping and RDP work

I have a Windows Server 2003 cluster of 2 nodes in an active-passive configuration. I can ping both nodes, rdp and access their unc shares. I also have an alias, which directs to a cluster IP set ...
stead1984's user avatar
  • 577
1 vote
1 answer
184 views

Redirecting local domains in WRT120N

I have a WRT120N and I want that my users go to 192.168.1.108 when they type server in the browser. It would be great to modify the host file but I couldn't find that option in the web interface of ...
Macarse's user avatar
  • 213
0 votes
1 answer
2k views

Multiple Homed Windows 2008 Server / Windows 7 Client

I have a small Windows 2008 network, with some Windows 7 clients. The clients are both laptops with docking stations and I would like them to communicate with the Windows 2008 server (for filesharing) ...
Daniel Scott's user avatar
0 votes
1 answer
568 views

Problems viewing domain.com from local LAN in split-horizon 10.6 OS X Server

Having a weird DNS issue. I've had a split-horizon system on my 10.6 OS X Server setup for sometime; this server runs Open Directory and hosts our website. But recently, seemingly after the 10.6.8 ...
chrismanderson's user avatar
0 votes
2 answers
233 views

Looking for Iterative Resolver

I am looking for an Iterative Resolver server - a server that would handle the DNS resolutions for PC users in an environment. I am well aware of the Microsoft DNS and Bind, and also of free services ...
GeorgeU's user avatar
  • 506
15 votes
1 answer
15k views

What is the point of the zones.rfc1918 file for Bind9?

Using an Ubuntu 10.04 LTS server in a standalone environment and trying to use views to serve two different subnets of clients. Getting errors regarding the zones.rfc1918 file, so I'd like to know ...
romandas's user avatar
  • 3,362
11 votes
5 answers
35k views

Two Different Domains & Domain Controllers on Single Network

I'm attempting to determine whether it is possible to have two Active Directory domain controllers running on the same network, within the same subnet, with two separate domains. I do not want these ...
BSchlinker's user avatar
3 votes
3 answers
659 views

Local DNS Response Time Problem on SBS 2008

The problem: LAN client computers ping remote.mydomain.com and it resolves to our static, WAN IP Address. It should resolve to our server's local LAN IP Address. The Details: We have a total of one ...
HK1's user avatar
  • 268
1 vote
1 answer
748 views

dnsmasq server with os x clients

I've set up dnsmasq on an ubuntu server on a small local network with several clients including some Windows and some OS X. Windows clients are working great. The OS X clients are having the classic ...
Jonathan Swinney's user avatar
1 vote
1 answer
3k views

DNS Validation fail

I'm running a DNS server and an outer-webserver on the same computer, which means the same external and internal IP's. I've checked them with tools.pingdom.com and these: http://www.intodns.com/...
U4iK_HaZe's user avatar
  • 633
0 votes
1 answer
100 views

Windows Server 2008R2 DNS local IP's

I have a Windows Server 2008R2 server running as our domain controller and DNS server. We have a number of local IP addresses that users access quite a few times a day. At the moment they have to ...
dannymcc's user avatar
  • 2,727
1 vote
2 answers
301 views

Easy "behind the firewall" DNS app for amazon ec2 instances

Context: EC2 testing puts us in a BIND We're increasingly using amazon ec2 instances for testing. The one pain point: each time we restart an instance the IP address changes. (static ip's aren't an ...
user50460's user avatar
  • 325
1 vote
1 answer
475 views

Domain forwarding or masking on local machine only?

I'm sad to have to ask this question, but I'm not even sure of what to call what I'm trying to do, so Google isn't much help. I'm doing some work on a company website from outside the company's ...
Fo.'s user avatar
  • 176
28 votes
5 answers
289k views

How do I determine what my DHCP server is?

I have a sad network left behind by some careless administrators - I am in the process of figuring out exactly what services are running where, not excluding the possibility that some services are ...
Manca Weeks's user avatar
8 votes
1 answer
20k views

BIND9 forwarders not working. Internal DNS resolves but doesn't forward requests it can't process

I have BIND9 set up with proper recorders for my domain example.com, something.example.com is actually working... When I have my DHCP server pointing at this DNS server I can get to webmin (https://...
user29600's user avatar
  • 429
2 votes
2 answers
340 views

DNS problems when connecting to home network through VPN [closed]

I recently enabled VPN connections to my Windows Server 2008 R2 box, and even though I can connect to it just fine from Windows 7, I am unable to access anything on the network via its intranet domain ...
void.pointer's user avatar
-2 votes
3 answers
149 views

Point A record to domain [closed]

I have only an A record for a domain (the nameserver is somewhere else but they pass me an A record) and I want to point it off my server to a url such as www.example.com/mypage. Is that possible? If ...
Owen's user avatar
  • 356
0 votes
1 answer
510 views

Internal DNS Server's Interactions with Local Client Computers... How do they work?

I'm setting up Split Horizon DNS. I have an internal DNS server, running Ubuntu Server 10.04. Everything has been set up properly as per this article's instructions. (I know that it is a mail server ...
user29600's user avatar
  • 429
0 votes
2 answers
1k views

Name Resolution in a DMZ

We're building a new set of web servers to be located in a DMZ, but we want them to be able to use our internal mail server. The mail server has a CNAME of smtp.uk.ourdomain.com - our existing servers ...
PhilPursglove's user avatar
15 votes
5 answers
65k views

Querying DNS for CNAMEs for a server

Is there a way to query our internal DNS entries to discover all the CNAME entries that point to a particular server? Edit: We're a Windows environment, Server 2003.
PhilPursglove's user avatar
3 votes
4 answers
5k views

How does an internal DNS server work in relation to our local servers and domain names?

How can an internal DNS server work in relation to a domain name we currently own? If my company's website is example.com and it currently points to a DNS server elsewhere that points to the website'...
user29600's user avatar
  • 429
0 votes
2 answers
110 views

Strange DNS issue - can't think of a solution

I have a DNS issue that I cant resolve. My internal windows domain is (e.g.) foobar.uk.net and I used to host a site internally on www.foobar.uk.net. External DNS records we set to send web requests ...
Jimbo James's user avatar
2 votes
3 answers
392 views

Windows Server 2000 DNS Forwarding

Im using windows 2000 Server, and I need to forward all the requests to the example.com site to another DNS Server. How do I do this?
Manuel David González Castillo's user avatar
1 vote
2 answers
3k views

DNS preferences for windows 7 client sitting across two networks

I have a few clients that need to sit across two otherwise separate networks. Let's call them network A (10.0.0.1) and network B (1.2.3.4). Network A is effectively a private network; any Internet ...
askvictor's user avatar
  • 864
5 votes
2 answers
4k views

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 ...
Bryan Agee's user avatar
  • 1,219
3 votes
3 answers
679 views

How can I search Domain Integrated DNS Entries

Example: I have a server named server1.domain.local I have lots of CNAME entries in various forward lookup zones pointed to server1.domain.local I want to decomission server1, and have a new server, ...
bopapa_1979's user avatar
1 vote
1 answer
196 views

Dynamic local network names for virtual hosts

I've configured a virtual machine for use as a web development platform to distribute to web developers in my company. Currently, I have the install script for each site creating a new virtual host ...
Jonathan Swinney's user avatar
4 votes
3 answers
827 views

Do we need a DNS server when we use OpenDNS?

I am in the process of splitting roles up from one server to 5. The current server is running as a DNS server, among other things. The DNS server just has a forwarder to the OpenDNS IP addresses and ...
dannymcc's user avatar
  • 2,727
1 vote
1 answer
1k views

Intranet with local DNS resolution issues

I have a DNS server running on Windows Server 2003 that is configured as the primary DNS server for my intranet. I have several DNS entries for our QA server and other local addresses set up there. ...
rsbarro's user avatar
  • 330