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0answers
105 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 ...
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3answers
135 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
141 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
137 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
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2answers
1k 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 ...
0
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1answer
84 views

Windows DNS trick needed

I don't know how to title this question as it's a very odd situation. I have a corp domain with it's PDC/BDC and DNS on corp.thisdomain.com in a datacenter. It also has a cloud hosted email server at ...
3
votes
3answers
188 views

huge slowdown in network of 40 nodes when local DNS is up

We have a LAN with ~40 workstations (mostly Windows) and a couple of servers. All of them use an internal DNS (196.168.0.4 running BIND 9.5.0-P2) and a gateway (192.168.0.1 running OpenBSD Packet ...
3
votes
1answer
1k views

How to forward missing DNS names of an existing zone in Windows DNS server?

I have setup DNS records for a public domain (say example.com) in my public DNS provider. Among the records, there are some A records of the type *.production.code.example.com that point to a specific ...
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2answers
2k views

How to publish local domain names on my local network?

I'm developing several websites locally, each of them having its own pseudo-domain name, and its Apache VirtualHost: mywebsite.localhost images.mywebsite.localhost anotherwebsite.localhost I'd ...
1
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0answers
212 views

RE: 0000208F error

we are having problems with DNS whereas when a statically assigned system is rebooted it loses its connection to DNS, browsing through the logs for the issue, I have found the following: The DNS ...
-1
votes
2answers
209 views

How do I set up DNS to respond to one or two hosts in a domain with my entries and forward the rest?

I'm not that familiar with DNS, I have a DNS server that handles all of our internal DNS entries and its fine. However we have a software package now that points to a host that exists "publicly" ...
0
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0answers
1k views

Windows DHCP client and DNS suffix search list (option 119)

I'm trying to supply the dns search list to my windows clients to make the internal DNS naming scheme usable. Windows AD is not used so no GPO available. The ideal way would be to supply the dns ...
1
vote
1answer
64 views

DNS entry for remote server with domain belonging to another entity

I need my business' client PCs to be able to access a server provided by another company (we'll call it server1.anothercompany.com). The server is on the far end of a private network connection, but ...
2
votes
1answer
160 views

Putting router names in traceroute hops?

We have a number of sites that are interconnected via VPN tunnels. When troubleshooting issues I regularly find myself running traceroute to see the path the workstation takes to access a remote ...
2
votes
1answer
123 views

Mass IP domain mapping

I would like to have for each private IP a mapping like this: ip-192-168-0-1.domain IN A 192.168.0.1 I am using bind9. Is there any way to use a regex to do this? I know that bind supports wildcard ...
1
vote
1answer
628 views

Most DNS queries for TLDs do not pass through dnsmasq

Most DNS queries for top-level domains from my LAN behind a router with dnsmasq 2.55 on OpenWRT 10.03.1 return negative results, e.g.: $ dig com. ANY ; <<>> DiG 9.7.3 <<>> ...
0
votes
1answer
2k views

How do you connect to a local domain (i.e. mydomain.local) when you are outside of the network?

I'm in the process of learning Windows Server 2012, so I just did a fresh reinstall of it. Before I actually setup a local domain, I'm wondering how to access this from outside of my network. My setup ...
-1
votes
2answers
403 views

Pinging Domain replies old A record

I am having an issue where I ping my domain and it replies back the old IP/A record of that domain. I have checked my Dns records for both NS servers and all records are correct. If I have posted this ...
2
votes
1answer
366 views

Custom DNS in dd-wrt

We're doing development on a remote server that only listens on internal IPs. We VPN into the remote network, and then use custom hosts files to test what we're doing in the browser. Now we're ...
0
votes
1answer
94 views

Access wild card subdomains on local server?

I run a local web server which handles all sub domain traffic for a domain. The domain is on a shared host (HostMonster) I use their DNS manager to send wildcard subdomain traffic to my IP which is ...
0
votes
1answer
71 views

View Webserver Form Internal and Extenal

We have a web server hosted out of our office, and it works fine when people access the site from outside the office. The problem is that when people are inside the office and go to the website ...
0
votes
1answer
169 views

Weird DNS bug - external server resolves to internal IP

I have a server that is hosted by my university. I have root access, but no control over network setup, firewall, etc. This server's DNS resolves to an internal IP here on campus (10.x.x.x), and an ...
2
votes
1answer
5k views

Built-in DNS server for Sonic wall? [closed]

I've got a Sonicwall TZ 215 that is currently being used as a firewall and DHCP server. Is there any built-in DNS server on this device I can use to map internal site names to IP addresses? I had this ...
0
votes
1answer
452 views

Not able to start ISC BIND service in windows 7

I have windows 7 32-bit machine. I have installed BIND 9.2 as per the instructions in the link http://www.misterfahrenheit.com/2011/09/04/how-to-setup-a-dns-server-with-bind-on-windows-7-part-2/. ...
1
vote
1answer
145 views

does changing internal dns settings interrupt network connectivity

Just a quick question. Does changing the DNS servers in the network settings on Windows server cause any interruption of network connectivity? I am pretty sure the answer is no and I have tested on my ...
-1
votes
2answers
447 views

Domain name redirection with local DNS Server [closed]

Is it possible to redirect a domain name using a local Windows DNS server? For example if a user query www.yahoo.com it should be redirected to an Internal server.
4
votes
1answer
1k views

Using PowerShell, in Active Directory, how would I change all the DNS A records that have a given IP to a new IP?

We've been moving data centers and I have a lot of old records that were not correctly but in DNS as CNAME records, but A records that have a direct IP (e.g. 192.168.100.n) and they're all moving to a ...
3
votes
4answers
547 views

Don't automatically include all subdomains in DNSMasq address

It is possible to configure DNSMasq such that it returns a fixed IP address only for a request for that exact domain, and not for its subdomains? That is, I want it to return a fixed IP when resolving ...
1
vote
1answer
551 views

Unstable DNS with bind

we have a Centos machine called jupiter, on which I have installed bind9, On every other machine the DNS is set to be the IP address of jupiter (192.168.2.101), as you can see in the output of the ...
0
votes
1answer
374 views

Best method to redirect internal DNS to external website?

We host several web based applications outside of intranet. The URL's to these applications are long, complex and overall not user friendly. Ex: ...
1
vote
1answer
2k views

Recursive forward a zone in BIND

I have a VPS with BIND set up. It works well for several months. Recently I want to set up another DNS program to manage foo.example.org subdomain on this VPS. I've setup these in dns.he.net: ...
2
votes
1answer
2k views

BIND9 Forwarding by view

Hi I think this is a simple issue, I'd like to forward only to certain IPs in the LAN network, for example I have 2 acl lists: acl "office1" { 192.168.1.15; // With internet access }; acl ...
1
vote
1answer
230 views

Access internal host from a subdomain of an external dns

This image contains the topology I want to make work. I have a linux server that is used for hosting websites and also routing for our internal network. How can I access the internal server that ...
1
vote
1answer
43 views

Web Server configuration

I have a simple concept question regarding to the hostname configuration on DNS server. I am trying to set-up a webserver where there is an internal address and external address. Example: Server ...
2
votes
1answer
3k views

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 ...
2
votes
1answer
2k views

PTR records not been created and/or updated

Windows domain, domain and forest functional levels at Windows Server 2003. Windows 2003 and 2008R2 domain controllers. Same for DNS (AD integrated). Dynamic updates on DNS zones are set to "Secure ...
1
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1answer
846 views

Logging DNS requests on a windows DNS resolver

How can i log DNS requests sent by clients to a windows DNS resolver without using the debug log file technique? It can be a windows 2008+ only solution edit 1 - some additional background: i ...
3
votes
1answer
843 views

external dns to internal dns

I have a local DNS server inside my network and have set up a few A Name records to some of my internal sites (i.e. app1.domain.com, app2.domain.com) and the dns resolves internally and loads the ...
0
votes
1answer
78 views

Sub-delegate Reverse DNS Performance?

I am currently working on a network with multiple subnets. So far I have implemented one reverse DNS entry that is a monolithic 10.* record covering everything. Is there any benefit or performance ...
3
votes
2answers
3k views

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 ...
3
votes
3answers
3k views

DNS issue for internal website routing internet connection from remote location

I have an issue that I could use some help with. Our company has a main location and a remote location. Previously, the remote location was connected to the main location through an internet ...
3
votes
3answers
401 views

Windows Server 2008 Active Directory DNS setup

I have to setup a small windows network inside my bigger linux/mac infrastructure. In order to get the windows clients logging onto the domain, I have had to make the DC their primary DNS server, ...
3
votes
3answers
557 views

Suggestions for transitioning to new GW/private network

I am replacing a private T1 link with a new firewall device with an ipsec tunnel for a branch office. I am trying to figure out the right way to transition folks at the new site over to the new ...
0
votes
1answer
110 views

Resolve another domain from current AD domain

We have 2 AD domain setup in our office. First is the primary domain for our office and exchange. The 2nd one is for development use to simulate production environment of our clients. Both domain are ...
2
votes
2answers
278 views

DNS for locally defined domians not working in regular intervals

I have been having a strange problem with our locally hosted DNS (bind on ubuntu server). We have a DNS server that hosts several locally defined domains (for example, myserver.localnetwork). ...
1
vote
1answer
6k views

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 ...
4
votes
4answers
4k views

Private DNS zone that resolves private subdomains, and forwards to public nameserver for existing public subdomains

I have a TLD with a series of subdomains that are public, say *.example.com. I also have a private server which is used as a SVN repository, which I would like to have available at svn.example.com, ...
1
vote
2answers
3k views

Hosting multiple domains on a single email server with one IP

I have an email server (mail) that currently hosts one domain example1.com. The server is behind NAT and I have split-dns configured on the LAN. The time has come to host additional domains on the ...
0
votes
2answers
527 views

Slow DNS Resolution with Windows

I recently installed a Cisco Linksys E3200 wireless router in my network. Attached to it is a Linux server running Bind DNS that is used to resolve names of internal services. Previously, I had a ...
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2answers
208 views

I think the DNS configuration I inherited is misconfigured. Would like help to verify

I hope this isn't too headache-inducing. Two servers, server1 (Windows Server 2003, IP 192.168.100.25) and server2 (Windows Server 2008, IP 192.168.100.22). server2 is the DHCP server and a DNS ...