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0
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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 ...
0
votes
0answers
21 views

EC2: Persistent IP/Host for internal communication

I have a few servers on EC2 which intercommunicate using a RESTful interface. Currently, the addresses are saved in a configuration file which lists explicit IPs. This is prone to errors, because it ...
-1
votes
1answer
36 views

Configure internal domains without manually changing hosts file on client machines [closed]

I have an Ubuntu LAMP stack configured in our office here at work. Currently when someone wants to view a website from their client machine they have to manually add the vhost domain entry to their ...
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
360 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 ...
1
vote
2answers
37 views

Assign internal IP address based on subdomain

I have a domain name, let's say foo.com. I have a server which has a public IP (Server-A). I also have a lot of servers (Server-B, Server-C, Server-D etc) which are all connected in a private network ...
0
votes
1answer
27 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
64 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
1answer
53 views

Single computer cannot access servers

We have several servers running on our internal network. Our router's firewall has a redirect in place for some domains to these servers' ip addresses. This works nicely. However, we've run into a ...
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
651 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 ...
0
votes
1answer
45 views

Newbie - How can I configure a URL alias with Ubuntu? [closed]

I really don't know the precise terms for what I want, so I'll give you an example. I have a Amazon RDS service with an endpoint of: mydbinstance.someotherstring.us-east-1.rds.amazonaws.com I have ...
1
vote
2answers
53 views

How do I set up my office network so unqualified domain names resolve as if they have a default suffix added?

I want to type "go/something" in my browser address bar, and have my browser request "http://go.mydomain.com/something". The use case is where go.mydomain.com is our internal URL shortening service, ...
0
votes
6answers
484 views

Use the LAN based IP address to access local Apache on laptop when working outside the network?

<VirtualHost *:80> DocumentRoot "D:/Projects" ServerName 192.168.11.74 </VirtualHost> Why doesn't this work ? How to access websites on the local box (Windows, Apache, MySql, PHP) ...
-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
96 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 ...
0
votes
0answers
59 views

Postfix/Dovecot mail dns rerouting for in-lan SMTP

I asked a similar question a while back, but that solution (using bind9 on the mailserver) isn't working the way I'd hoped, so I figured I'd try a different angle on things. I've got a ...
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 ...
1
vote
0answers
124 views

Getting error 500.52 when creating reverse proxy with url rewrite

I have used the following technique for achieving Url rewriting. http://weblogs.asp.net/owscott/archive/2013/10/24/creating-a-reverse-proxy-with-url-rewrite-for-iis.aspx However i am getting the ...
0
votes
1answer
171 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
966 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
338 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
217 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
155 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
72 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
42 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 ...
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
38 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
262 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
349 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 ...