0
votes
0answers
16 views

QPS for dnscache

I have 2 internal DNS servers (ns1 & ns2) on Ubuntu 12.04 which run dnscache, and my client's resolv.conf have something like: nameserver ns1 nameserver ns2 nameserver 8.8.8.8 Since all my load ...
-1
votes
1answer
48 views

Internal/external DNS with subdomains

I've got an internal DNS server (part of OS X server) and it's acting as the main DNS server for a specific (physical) site. When it can't resolve hostnames itself, it forwards requests to Google's ...
0
votes
1answer
38 views

Mongodb replica failures to resolve DNS when primary DNS is stopped while secondary DNS is operational

I have setup mongod replica consisted of 3 nodes + 1 delayed hidden node + arbiter. I have setup DNS: primary and secondary internal DNS (bind) servers, so that I can reference nodes by normal FQDN ...
-2
votes
1answer
74 views

Intranet NameServer for Public Domain [closed]

I have registered a domain name domain.co and have a intranet DNS server (BIND) which is serving the queries. I want this domain and dns to be discoverable by anyone in the network without making any ...
0
votes
0answers
34 views

DNS zone replication between AD and Rackspace

I have an AD integrated DNS zone which maps many of our development and production websites to internal IP addresses. A zone with the same name exists on the Rackspace name servers which maps our ...
0
votes
2answers
62 views

setting dns cache to give internal address responses to my domain requests for my externally accessible server

I'm having trouble trying to find anything on the internet explaining how to do this... I'm running Ubuntu 14.04 with repository current Bind9 I have a authoritative DNS server hosting my domain and ...
0
votes
1answer
45 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
51 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
414 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
30 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
31 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
72 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
61 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
76 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
113 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
857 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 ...
1
vote
2answers
61 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
48 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
1k 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
44 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
320 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
46 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
151 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
121 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
68 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
40 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
106 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
124 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
224 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
86 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
1k 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
519 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
264 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
100 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
223 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 ...
2
votes
1answer
74 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
102 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
195 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
42 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
42 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
324 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
468 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
61 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
293 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
156 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
116 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
125 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
89 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 ...