0
votes
1answer
33 views

force use primary DNS?

we have an Internal DNS Server(172.16.1.1) and there is a AAA record aaa.domain.com --> 192.168.1.100 when I set ip configuration to: Primary DNS Server: 172.16.1.1 Secondary DNS Server:8.8.8.8 ...
1
vote
1answer
25 views

DNS caching for a DNS name with two different IP addresses (internal vs. external)

Suppose we have a DNS entry ocean.corp.tld internally pointing to an internal IP address on our corporate network, and externally pointing to an external public IP address. Essentially same DNS name ...
2
votes
4answers
361 views

DNS A record pointing to private IP address [duplicate]

I own a domain. I will call it example.com. I want to set up a local BIND server on my private network. I have a box with the private IP address of 192.168.2.13 I would like to have this box named ...
0
votes
1answer
28 views

Resolve all external addresses to an internal address when an internet connection is missing

I am using a raspberry-pi running ArchLinux with a WiFi router to provide an access point for locally-hosted web content. I am running a DHCP server. When the Pi is plugged into an internet ...
-3
votes
1answer
29 views

Cannot resolve by hostname only in other local namespace [closed]

We have three local namespaces: proddomain.local, testdomain.local, devdomain.local. All of our client computers in the organization are part of the proddomain.local domain. If I select "Disable ...
0
votes
1answer
64 views

Making a reverse zone file on a 255.0.0.0 subnet

I’m trying to setup a reverse zone file for this subnet that has two hosts on it: 10.10.100.10 and 10.128.5.10. This means he netmask for the subnet would be 255.0.0.0. I inferred that the file name ...
0
votes
1answer
51 views

Setting MX entries for Failover [closed]

I have a GoDaddy domain as "example.com". I wanted to have my own DNS server for the sub domain secure.example.com. So I added a "A" record "NS" pointing to my IP and a NS record "Secure" pointed to ...
0
votes
1answer
65 views

Internal DNS and software/services resolving external IPs

So, on my network is a DNS server with an external zone (public IPs for servers) and internal zone (LAN IPs for servers). When I perform an nslookup on a server in the zone it resolves the local IP ...
0
votes
0answers
78 views

Master DNS allows External Forward, Slave does not

We have a 2 master setup that was built poorly, so we want to downgrade the second master to a slave configuration, I try and run the conversion and it works well enough internal addresses, but when ...
13
votes
2answers
824 views

Should engineering have its own DNS zone, delegate, or subdomain?

We have our organization's primary domain (with AD) example.com. In the past, previous admins have created several other zones - such as dmn.com, lab.example.com, dmn-geo.com etc - as well as ...
0
votes
0answers
15 views

Using existing/active Domain Name for Active Directory Domain Name [duplicate]

I have an active domain name: example.com - registered and hosted with a web hosting provider. Can I use example.com as my active directory domain name? Are there any documentations covering this ...
1
vote
2answers
53 views

How do I forward root DNS queries for a domain while still resolving some subdomains on Server 2008?

I have a public domain, say test.com. The DNS records are stored somewhere in the cloud. However, on my Windows Server 2008 DNS servers, I want to add some internal subdomains such as sub1.test.com. ...
1
vote
1answer
45 views

DNS Record or Port Mapping

All, I have a web server sitting inside of a production network. This web server, tdxs3, has been assigned an external IP address of 96.2.192.139 which DNS should point to it's internal IP address of ...
3
votes
3answers
655 views

How To Properly Setup DNS Forwarders On Windows Server

I was wondering how to properly setup DNS forwarders on Windows Server 2008 R2. I have three Domain Controllers. Each of the DC's have have following: AD Role DNS Role DHCP Role Static IP Address ...
0
votes
1answer
41 views

Windows DNS configurations for outside IP

Here is my problem. I have a Windows DNS that points to 5 servers all within the LAN. Locally the routing to these servers works fine but I need a way to access these servers outside the LAN ( HTTP ...
3
votes
1answer
175 views

How should DNS be configured for remote VPN access to a Windows Domain?

Suppose you have a small windows domain configured as follows: domain name is ad.example.com (as per these guidelines) DC1 is at 10.10.10.3 DC2 is at 10.10.10.4 DC1 and DC2 are running the ...
1
vote
2answers
44 views

DNS finds host only if domain name is included

I have a Server 2012 DNS server on subnet 192.168.7.0 and I am trying to use that on a host on the 192.168.8.0 subnet, which is not on the domain (this may not be relevant). When I configure the ...
-1
votes
1answer
102 views

DNS how to dynamically bind subdomains to ip and port pairs [duplicate]

I'm using bind9 I have a zone file setup with a few subdomain A records. I'm wondering if I can create a subdomain record that points to an ip address on a specific port. I'm currently updating the ...
0
votes
1answer
98 views

could not resolve hostname yet I can?

I'm having some weird issue that I cannot understand( I'm trying to ssh to alexus and according to ssh it tells me it cannot resolve, yet when i use host to resolve it resolves w/out any issues: ...
-2
votes
1answer
67 views

DNS settings are ignored [closed]

My physical setup is: DMZ (SERVER) (192.168.1.1) | | WAN ——— ROUTER (1.2.3.4, 192.168.1.254) ——— LAN LAN adresses are assigned by DHCP. ...
0
votes
1answer
38 views

Calculate requirements for a caching/forwarding-only nameserver

I am considering a caching/forwarding nameserver to be used by internal servers to speed up name resolving. Is there a way to calculate some reference values to figure out its requirements? I simply ...
3
votes
1answer
89 views

Some Hostname is not seen in DNS Manager ( Windows Server 2008 )

DC Server OS - Windows Server 2008 R2 ( Active Directory Integrated DNS Zone ) Client OS - Windows 7 I am unable to understand, why some hostname are not dynamically registered in DNS Manager. For ...
2
votes
3answers
110 views

Point *.local to 127.0.0.1 within network

So most of our developers work with a MAMP/XAMPP setup using rewrite rules to point username.project.local to a document root of /Users/username/Projects/project/public_html. This part works, but the ...
0
votes
1answer
173 views

Unable to resolve unless dns client is restarted (Win7, WinSrv2008)

I have the most strange DNS Resulution problem ever encountered. And by strange I mean that I can only confirm this issue on two hosts in our network (my workstation Win7 and a management dns server ...
1
vote
0answers
78 views

Internal-only DNS Master and Slave Servers on Linux (No Internet) - Recursion?

Using two physical Linux servers on different sub-nets, I'd like to have master and slave DNS servers. These DNS servers will only resolve internal names and addresses. Neither the DNS servers nor ...
2
votes
1answer
967 views

What would be correct setup procedure for PDNS server?

I am new to the world of DNS servers, but as a part of my current job I should do upgrade on our office network infrastructure. After looking at available options i decided to go with PowerDNS ...
1
vote
1answer
342 views

How to handle external and internal DNS on windows 2012

I'm trying to setup an Active Directory network on Server 2012 R2, and want AD's DNS to only be used internally (Ex: domain-controller.company.com) as well as some records that need both internal and ...
1
vote
2answers
219 views

Can I configure a DNS cache not to forward AAAA queries?

I'm setting up an internal DNS cache because my firewall is having trouble handling all the sessions created by DNS requests. I tried using bind9, dnsmasq and DJB dnscache, they all help reduce the ...
0
votes
1answer
98 views

DNS error only in IE

Our Intranet page has stopped working on some machines/some user accounts. The error I am getting points to a DNS issue but If I ping the site from the command line the it responds fine. The error ...
0
votes
0answers
33 views

Weird internet/network behaviour - certain sites not available

I've always had this problem where certain websites stop working in a browser. I can then just use another browser. Then at some point these sites would stop loading in all browsers. This could ...
1
vote
0answers
35 views

“Recursive” Wildcard DNS for Amazon Route 53 [duplicate]

The title of the question might be misleading because I'm not an expert and I'm trying to learn the proper terminology. That being said, I'm wondering if it's possible to setup a wildcard DNS record ...
2
votes
2answers
157 views

Installation of Active Directory on separate VM from DNS does not entierly work - not sure why

Not sure what I am doing wrong here. I have a moderately midrange server (16 cores, 2Ghz, 32GB ECC REG RAM, 6TB storage, nothing too extreme) where I am running Hyper-V (Server 2012 R2 Enterprise) in ...
1
vote
0answers
42 views

Need to use secondary DNS server to upload files to S3

We're using Windows 2008 R2 Datacenter Edition. The setup is like below: 2 Servers 10.198.XX.XXX > AD Server with a valid domain. 10.200.XX.XXX > Database Server which is joined to the above ...
2
votes
1answer
73 views

Wildcard DNS like “*-test.example.com”

Is it possible to set up a wildcard domain like "*-test.example.com"? The main reason I'm asking is because I'm in the process of setting up Continuous Integration with Jenkins, and we'd like to ...
0
votes
1answer
86 views

DNS proxy setup - how to “redirect” queries?

I was wondering if there's any method to configure BIND server to answer queries based on the record's local value and if it's not there, forward the request to the configured recursive server. ...
1
vote
1answer
173 views

DNS architecture sanity check

I'm designing DNS service for a network and had a few architecture questions. The O'Reilly/ Cricket Liu DNS book and the NIST DNS security guide don't address these questions except in a very general ...
0
votes
0answers
39 views

Forward external domain lookup query to internal ip

We have a domain hosted locally in Ubuntu server 12.04 and configured to work with a static ip using port forwarding for external access. We want our internal access to be done locally by domain name ...
1
vote
1answer
41 views

Multiple DNS servers chained

I have 3 small VPS instances in the web, and I want to improve the routing between them. These servers are used for some private things and one of them is for hosting websites. My problem is that the ...
0
votes
1answer
265 views

Intranet BIND server fallback to internet DNS servers?

On our local small business network, we have a need to run a intranet-only BIND (named) DNS server for only local, intranet-only addresses. For example, we do a lot of web development on the network, ...
0
votes
2answers
350 views

Windows DNS on SBS 2011: How to push Alternate DNS Server

are windows SBS is starting to go and when it does all the clients in our office loose dns settings and then as a result can not get out to the internet for services they need as a temporary measure ...
0
votes
1answer
59 views

Changed ISP's and got a new IP Block. Anything I need to do in internal DNS?

Last night I unplugged our old 6Meg bonded T1's from our Cisco ASA 500 and configured the ASA with our new public IP addresses and gateway for our new 10Meg service from another ISP. We haven't had ...
0
votes
1answer
262 views

Hamachi gateway PC responds when pinging remote PCs from internal network

We are using Hamachi to link 2 remote sites together via a gateway VPN network. This generally works fine. At our main office, our SBS 2003 server acts as the DHCP server. The Hamachi gateway client ...
0
votes
2answers
77 views

URL redirect using Windows DNS

I have a website say xyzuniversity.com/north. I want to redirect college.com to be redirected to xyzuniversity.com/north using Windows DNS entries. Is there a process to do this? Also what are the ...
0
votes
2answers
101 views

internal network with bind9 dns; access server by subdomain

I'm setting up DNS using bind9 on one of my Ubuntu (12.10) boxes under my home network because my router doesn't support DD-WRT or its own DNS. I set up a zone for "mydomain.net" with an A record for ...
0
votes
0answers
112 views

How do I set up DNS on a LAN so web users don't need to use http://localhost…?

I have deployed a web application to http://localhost:8083/MyApp on a local dev box. This is under the default web site. I would like to create a new web site and app pool, and have users access it ...
0
votes
0answers
82 views

DNS unreliable for local server; Using IP address works

I'm a programmer, but since I'm working at a startup it's forced me to do system administration. Specifically, I set up a continuous integration server running Debian and Jenkins. The problem is that ...
1
vote
3answers
107 views

Benefits of Internal DNS entries

Say I have a website www.example.com. The external DNS entry points visitors to 111.22.33.44 which in turn points to my internal web server 172.1.2.3. All internal visitors use an internal DNS entry ...
5
votes
2answers
136 views

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 ...
0
votes
1answer
122 views

BIND not pointing to right IPs

This is more of an experiment to learn and understand BIND/NAMED more but here is what I have. I set my computers DNS to my linux server's IP. I have BIND9 running with the following entry: $TTL ...
0
votes
2answers
835 views

Use LAN DNS server when unqualified domain names are requested

I'd like to be able to serve unqualified domain names like "pos" or "website" from my DNS server on my LAN and have regular DNS queries like "google.com" be served from my router. On my router, under ...