Translates domain names to IP addresses. DNS stands for Domain Name System.

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using opendns, but why does dnsleak test show 5 opendns ip's?

Am using a vpn along with opendns, so there's no dns leaks. I use dnsleaktest to check, and it shows many opendns ip's. Shouldn't it just show on dns ip being in use? I'm not sure if I have my dns ...
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23 views

What has gone wrong with local network name resolution?

I am using Windows XP Service Pack 3. I set up a Firebird SQL server on a machine on my 5 computer local area network. I used to be able to access it by using the server name "Server-win7". Now, I ...
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12 views

Internet not working after configuring server for DNS with dyndns

Objective to be achieved: To access the server using a name server.xyz.com. I've a domain xyz.com and a server behind a router. Also, I've configured my server with dyndns. On executing the ...
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12 views

SMTP Port Filitering/Alternative Port

I am setting up Kerio Connect on a businss server, and have configured DNS records to point to new mail server. However i attempted a telnet from outside the network and recieved a 421 error. From ...
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1answer
12 views

Setting remote dial in user DNS

I have a number of remote access users setup to dial in via PPTP VPN on a Vigor 2920 (v3.6.1) This works fine and the VPN connects but the clients cannot resolve internal DNS names from the local ...
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1answer
13 views

Generate CSV/TXT file from named zone file

I am in need of generating a csv/txt file from a zone file on a named DNS server. For examples I would like to generate a list of the hostname and IP from the zone file From this monkey A ...
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33 views

how to add entry to local DNS resolver

I want to do some tests on linux. I want to put a small web server on a machine with IP: 1.2.3.4 (assumption) and when a DNS query is made for a specific URL : kitty.myweb.com I want to return this IP ...
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20 views

DNS address not acquired by ubuntu

I have a lenovo G430 machine with ubuntu 12.04 running on it. The Network configuration is DHCP, It gets the IP but fails to get the DNS and henceforth wont be able to browse internet.The issue is ...
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12 views

'Mail Forwarding' to New Mail Server

I have a domain registered with HostGator which i use for emails. I want to 'forward' these emails to a Kerio Connect mail server i have installed. As it stands at the moment, i have a CNAME record ...
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18 views

Wrong DNS cache on Windows Vista

I'm in the process of developing website on Openshift. I've ordered an domain and set CNAME record to the address something-namespace.rhcloud.com as required in the Openshift docs. My problem is that ...
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26 views

Penetration testing with WMAP, only for my domain, not the others with the same IP?

My domain got massively hacked, so I'm doing some penetration testing with it using WMAP and NMAP etc. However, I believe it's on shared hosting, so running tests on 182.34.xx.xxx (the IP address for ...
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9 views

Should I create zone for each domain that I want to host on my server [migrated]

I'm setting up a web hosting on my VPS, I want to host several websites on my vps, I have two domains, domain1.com and domain2.com and a website for each hosted on iis, I know that I should add these ...
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17 views

dns problems ubuntu 12.04 server

folks. I've some trouble with dns working (?) in my Ubuntu 12.04 server. The server shares internet in my local network with iptables (masquerade). When I try to make something like this: wget ...
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DNS: forward part of a managed domain to one host, but sub domain services to another (Google Apps) [migrated]

I was going to post this as a comment against DNS: Forward domain to another host, but I don't seem able to do that. I'm in a similar situation. I have a DNS registered/ managed by enom, except ...
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1answer
38 views

How does my hostname get resolved without a DNS server

My basic question is not "why doesn't this work?", but "why DOES this work?". I have a computer running apache 2.2 under windows, with the ServerName set to something like gateway_01. It's connected ...
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37 views

How can I add static DNS entry in Debian and block some sites?

OK I'm admin noob. Is there a way for adding static DNS entry? I already tried to modify /etc/hosts file but without success. Here is my hosts file: 127.0.0.1 localhost 127.0.1.1 hitsu ...
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37 views

Can't connect from outside of my LAN

I am running a Debian Squeeze linux server on my Dlink DNS-320 NAS. I signed up for a DNS service, so I could access it from anywhere. I installed lighttpd, and created a very simple page to test. To ...
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11 views

What are BIND9 virtual appliance minimum requirements?

I would like to ask what are the proposed, but minimal requirements for a BIND9 DNS server in VMWare (Win8, 64 bit host). I want to use to name my virtual machines, without maintaining all the hosts ...
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14 views

How does “Registered through” for a domain occur?

I've seen through whois domains where there is the owner and there is the DNS hosting service such as Network Solutions. But recently I found a domain in whois that while it has an owner and it lists ...
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30 views

Lightweight DNS server for learning - what do you advice? [closed]

I would like to set up a DNS server in my virtual network. I have never done it before. I don1T know how to do it, and I have problem with OS selection. I want to set up local dns server (like ...
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13 views

Can I have two MX Records in my DNS pointing to two different Exchange servers?

I have a domain.com working with some external e-mail hosting solution. This week I've managed to setup my own Exchange Server and will migrate on it soon. The question is, can I keep them both for a ...
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33 views

DNS resolution issue on lan

I have a domain pointing to my home network. Router and net connection was upgraded recently. keeping the same fix IP address as it's the same provider. So no changes on the IP association with the ...
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1answer
45 views

query 8.8.8.8 from windows OK, from linux failed

I have Netgear as router, NetGear itself has 8.8.8.8 set as prim dns. Windows is connected to NetGear and Ubuntu is, while I can nslookup cf16.eu 8.8.8.8 (it goes on UDP/DNS) I get no response ...
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52 views

dig OK but dig @192.168.1.1 NOT

why dig works OK, but dig my NetGear router directly doesn't (while first goes to it too, because it is my DNS, NetGear itself has 8.8.8.8 set as prim dns). My NetGear has IP 192.168.1.1 on LAN. Here ...
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21 views

Emails still arriving to old Exchange server AFTER updating MX Records

We have changed our company MX records to point our emails from a MS Exchange server to Google Apps for business. This was done 2 weeks ago, so the MX records should have propagated, which intodns and ...
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71 views

why dig to router is on DNS 53 port?

192.168.1.1 is my router NetGear. It has 8.8.8.8 and 8.8.4.4 set as DNS. from windows: nslookup google.com 192.168.1.1 // works OK from ubuntu: me@ubuntu:/etc/mail# dig @192.168.1.1 google.com ...
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50 views

DNS: can't dig 8.8.8.8 directly

me@ubuntu:# dig @8.8.8.8 google.com ; <<>> DiG 9.9.2-P2 <<>> @8.8.8.8 google.com ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be ...
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29 views

Accessing SVN Server remotely

So here I'm after investing days of effort into it. I have SVN Apache Edge running on my machine on top of Apache. I want to access it (check-out/check-in) from a remote machine. My machine is behind ...
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26 views

Macbook dirty cache, after domain DNS change

I have two devices connected to the same WiFi connection. I have changed the DNS of one domain. When I enter to that domain from device A it works OK, but if I try to enter from device B it does not ...
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57 views

Adding a domain alias in ISPConfig

ISPConfig 3 has the option to add Alias Domains in the menu under the Sites tab. The challenge is I do not understand 2 of the fields that I have to supply: Redirect Type (what is this?) Options: - ...
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33 views

config error: why sendmail concatenates domains?

trying send mail via sendmail forward to cf16r@wp.pl, my domain is dorotamama.eu. and I get following: May 6 17:55:47 myubuntu sm-mta[3856]: r46FrhNl003854: to=cf16r@wp.pl, delay=00:02:03, ...
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26 views

Multiple domains pointing to single Rails app on VPS Hosting (Like Shopify)

Asking the same question Multiple domains pointing to single Heroku Rails app via nameservers displaying different content?, but I am on VPS hosting instead of Heroku. I want customers to be able to ...
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41 views

How to change DNS on hotspot

I have a laptop with ubuntu installed, and i turn on wireless hotspot. On my laptop, i have a http server, and i changed /etc/hosts file, and change 127.0.0.1 and my ipaddress(the wireless card ...
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25 views

how configure DNS: Netgear+TP-Link?

I have Netgear 192.168.1.1, some machines, and TP-Link on 192.168.1.2. One comp wireless to TP-link with IP 192.168.0.12, and another wire connection on 192.168.0.14. I can ping them ach other, I can ...
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32 views

ping: unknown host vm-arch

i created a Arch-Linux VM with Virtualbox on a Debian host. The network setting in Virtualbox is "Network Bridge". I can ping the ip returned by ifconfig on the VM from my host and can connect to it ...
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74 views

DNS dig +tcp OK, udp NO

my topology: NAT->NetGear router (192.168.1.1 + wired machines) -> TP-Link (192.168.0.1 [in NetGear LAN 192.168.1.2] with some machines wireless and some wired). my problem is I can't get response ...
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2answers
41 views

DNS domain which resolves names to local IP addresses

Is there a domain name which resolves something like "domain192-168-1-128" to the IP 192.168.1.128 ? I am trying to test a site on my local network which uses "subdomains" (e.g. ...
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44 views

Map internet name to a machine on my network

I have a domain and a WWW server within my network. I have one public address and running NAT on a router. Server is naturally port-forwarded. Let's say my domain is kitet.com so when anyone on the ...
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1answer
25 views

Firefox not requesting scripts from domains hosted at 127.0.0.1

I have 127.0.0.1 ajax.googleapis.com in my hosts file and a script listening (and dummy-serving) on port 80. When I load http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js directly, ...
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156 views

Tcpip error: Request failed due to all such ports being in use

Today my machine stopped being able to access the internet. I can still access some local network resources. When I looked in the error log I saw following tcpip warning: A request to allocate an ...
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2answers
75 views

How to use two different private DNS servers (one behind a VPN)

Consider the following scenario: I am connected to a local area network with it's own private DNS server (call it lan-dns). This DNS server is used to resolve the names of some private hosts on ...
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1answer
31 views

How do I setup DNS names and static IPs for an Ubuntu virtualbox?

I have Ubuntu installed on VirtualBox, on top of a Windows 8 host. How can I setup a static IP and DNS name for this virtual machine that other virtual machines will see?
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19 views

Bind9 cache automatic refresh

I have a small server (Ubuntu 12.10 x64) at home that acts also as a DNS cache for my LAN (using BIND9). I tried to have a look at the documentation and it appears there is no way to configure it so ...
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22 views

Cannot access sourceforge.net, any idea what could be wrong?

Somehow, I noticed since Sunday, I just cannot access SourceForge.net at all. Any idea what happened to the website? That is true of pretty much all of their sites: freecode.net, slashdot.org... I ...
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42 views

Cannot access internet from multiple computers; possible DNS issue? [closed]

The past two days we've had to restart our computers to gain access to the internet. This would work for a short time before we were locked out again. A recurring message was that there is a problem ...
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237 views

All invalid hostnames resolve to localhost in my browser. What is going on?

Update: jump to the end of this question for the happy conclusion to this epic tale. Note: I have IIS7 installed locally for web development. This is what happens in my browser for random sites: ...
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23 views

DNS fallback from VPN-provided DNS

I have a local DNS server that tracks all of my machines in my house, provides caching from the internet on commonly-used look-ups, etc. I'd like to use that to cache both the internet and the DNS ...
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87 views

Prefferred DNS server points to own network. What to enter as best alternative DNS server?

Situation: I have an own network running which entails also a DNS server. I entered it as the preferred lookup server in the DNS settings. So far so good. But now imagine that for some reason my DNS ...
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64 views

How does DNS know who to trust?

When I register a domain, and update the DNS records, these changes propagate to other DNS servers around the world. But how do the servers that are accepting these changes know they can trust these ...
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66 views

Website is resolving to localhost?

For some reason, the website funshion.com resolves to localhost (127.0.0.1) when I run it on tracert. The website should, of course, go to the website, not to my computer. Basically, Funshion is a ...

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