Domain Name System for computers, services, or any resource connected to the Internet. It translates domain names meaningful to humans into the numerical identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide.

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Intermittent wireless internet connection in Ubuntu 12.04

I recently upgraded from 11.10 (Oneiric Ocelot) to 12.04.2 LTS (Precise Pangolin) (64 bit version) and suddenly my wireless internet connection has become intermittent. For example, when I am loading ...
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1answer
289 views

Weird hostname resolving to my localhost

Ubuntu 12.04 LTS. Hi, when I ping two specific domain names (I'll just call them foo.net and foo.org) they both resolve to my localhost. I am on my home network and resolve.conf has 127.0.0.1 as ...
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1answer
307 views

How to enable nameserver via VPN

I use VPN (openvpn) on Ubuntu 13.04. I see the IP-s through VPN correctly. The problem is, although I configure the nameserver in the network manager I still doesn't see the domains. The exported VPN ...
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1answer
113 views

What's the correct format of a forward zone in bind

can someone please enlighten me in setting up the correct format of forward zone. $TTL 604800 foo.com. IN SOA foo.com. admin.foo.com. ( 2 ...
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572 views

creating a zone file for bind9 DNS

when i deployed DNS on ubuntu, i had to change the owner of the forward/reverse zone file to named does this apply also in ubuntu? also, can you check these for me, ive been getting SERVFAIL which ...
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1answer
292 views

DNS failure every few minutes in Ubuntu 12.04

Every few minutes, when I request a web page, I get a DNS lookup failure. Usually, if I just immediately refresh, the web page will come up. However, recently the DNS failures have been persisting for ...
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2answers
1k views

On Ubuntu 12.04.2, what happens if I disable dnsmasq?

I am using Ubuntu 12.04.2 LTS. If I issue the following command sudo gedit /etc/NetworkManager/NetworkManager.conf and change the line dns=dnsmasq to #dns=dnsmasq What will happen? Will I ...
2
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1answer
764 views

How do I point a domain to an Ubuntu VPS?

I've recently purchased a VPS hosting (rackspace) and want to configure a domain for this account. I've configured nginx and other stuff to run Ruby on Rails on it. And everything works perfectly when ...
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61 views

DNS server - redirect some adresses

I have local network and I am connecting to router. On router I have google DNS, I want install on my ubuntu server dns server and swap some adresses for example: www.bing.com -> www.google.com ...
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1answer
1k views

DNS Server - Help with Redirect traffic of a specific url to a Local IP address

I've been working on this problem for the past week and still can't solve it. I want to setup something probably a CNAME record or an A record that will help me with redirecting traffic from an ...
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1answer
442 views

How to change dnsdomainname

Can anyone please help me to figure out,How can I change my localdomain name from something say user@host.localdomian to user@host.something ??
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231 views

Add TXT record to DNS (for DKIM) when dns are managed from a hosting

I ask for help on this because i'm really lost. My goal is to set a TXT DNS record who contains the DKIM 201305._domainkey IN TXT "v=DKIM1; k=rsa; t=y; p=xxxxxxxxxxxxxxx" ; We manage a cloud ...
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1answer
54 views

How do I resolve DNS issues?

This may be a completely stupid question, but here goes. I've been having issues with my network. This is not an ISP problem, since the internet works perfectly on my mac partition and on the other ...
1
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1answer
959 views

No answer section using dig

I've got an assignment from school to setup a DNS server with 2 name servers in ubuntu server using IPv6, but I'm not very good at it. When I use the dig command, It doesn't show an answer section. ...
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0answers
117 views

Content Delivery Network

I have a project that i need to setup Content Delivery Network on Ubuntu, That involves like Geo Dns structure, Fail over and High availability So i am looking if some one help me that where should i ...
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1answer
410 views

Access to Apache Subdomains externally

I just recently configured a localhost subdomain on my Apache web server. domain: hjm.im subdomain: blog.hjm.im It is working correctly from on my server (which makes sense), but how can I get ...
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1answer
3k views

Ubuntu 13.04 DNS problems?

Anybody experience problems with DNS resolution in Ubuntu 13.04? Ubuntu users are pulling IPs from DHCP (including DNS IP) but DNS doesn't resolve unless we manually change the resolv.conf file. I can ...
0
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1answer
166 views

Create DSL connection on Xububtu 12.04

How do create DSL connection on Xububtu 12.04? I have been provided with a username, password and 2 DNS settings (prefeired and alternative). On windows I could key in all info and connect within ...
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0answers
157 views

DNS doesn't seem to work in terminal on Ubuntu 12.04?

Fairly new to Ubuntu so please tell me if I'm doing something silly. Anyway. I've been having issues with URLs not being correctly resolved in the terminal. The problem I'm currently having is trying ...
2
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2answers
5k views

Setting up Ubuntu web server?

I've just purchased a cloud VPS and installed Ubuntu Server 13.04 on it and that is pretty much all of my Linux knowledge. Can someone point me to the best up to date tutorial on setting up Ubuntu ...
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1answer
1k views

Ubuntu 12.04 ping 8.8.8.8 does not work on one network only

I'm using Ubuntu 12.04. I can connect to and use the internet on one wireless network (say A) and not on the other network (say B). I can connect to B and get an IP address. When I ping 127.0.0.1 it ...
0
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1answer
192 views

Free DNS service

Edit: The answer selected was for something entirely different that what what I originally asked. I tried to ask here but I suppose I wasn't clear enough. I have a VPS running Ubuntu 12.04. I have ...
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0answers
28 views

dns nameservers purchased domain name VPS [duplicate]

I have a purchased a domain name from a registrar. I am running a VPS. Ubuntu 12.04. Setting up LAMP was no problem. But I can only access the VPS via the IP at the moment since I have no active DNS ...
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0answers
286 views

configure DNS on Ubuntu 12.10

I have some problems with DNS, only from Ubuntu 12.10, Windows on same network works OK (so I can query both 8.8.8.8 and 192.168.1.1 directly with or without +tcp flag). I have my machines pointed to ...
2
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1answer
413 views

How do I control the order of nameserver addresses in resolv.conf?

I need to re-order /etc/resolv.conf to list the nameserver provided by eth1 dhcp before the nameserver provided by eth0 dhcp on a 12.04 server (no NetworkManager). I edited ...
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377 views

Trying to add linux machine to windows 03 domain. Help?

I installed unbuntu ver 12.04 and I'm trying to add the machine to our Windows 03 domain. Whenever I try I get an error: Error: Lsass Error [code 0x00000043] Network name not found.. Failure to ...
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2answers
1k views

Cannot resolve dns on 12.10 install

I am very new to networking on Ubuntu so I have been struggling with this issue for several hours now. I am running a fresh install of Ubuntu 12.10 and I am unable to resolve DNS when using my ...
2
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2answers
1k views

Sendmail relaying email through A record not MX

I have a Ubuntu server, running sendmail (until this morning it was running postfix, but I moved to sendmail to eliminate the possibility of my postfix configuration tweaks being the cause of this ...
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0answers
135 views

Automatic ifup Virtual Netowrk Interface Assigned to a Network Namespace

I've set up a configuration that uses the solution mentioned in this post: link and I'm able to ping my physical local network from my vpn namespace and vice-versa. For reference my config looks ...
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0answers
195 views

Can't dig @8.8.8.8 but can 127.0.1.1?

dig @8.8.8.8 google.com ; <<>> DiG 9.9.2-P2 <<>> @8.8.8.8 wp.pl ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached but +tcp: ...
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0answers
94 views

how to test DNS?

how can I defitely test my DNS settings, so I am sure it is working or not? I have DNS pointed to my router 192.168.1.1 and I have dnsmasq listening on 127.0.0.1:53 but it is not working I suspect. ...
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0answers
366 views

why DNS 192.168.1.1 refuses connection?

when I do dig fghj.com I get this output: ; <<>> DiG 9.9.2-P2 <<>> fghj.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: ...
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0answers
567 views

Local DNS resolver + dnsmasq in Ubuntu 12.04?

I need a local DNS resolver because my ISP DNS is seriously broken and breaks, in turn, many networks scripts. Before Precise I could just install unbound and add 127.0.0.1 as a prepended name server ...
0
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1answer
689 views

How do I configure IPv4 connection to use a DNS accessible only over IPv6?

I'm trying to make my system resolve IPv4 addresses over an IPv6 connection because my IPv6 connection is more secure (yes, it really is. Long story). The IPv6 nameserver resolves IPv4 addresses; it ...
4
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2answers
898 views

Problem with internet. Certain website do not load at all. 12.04

My internet was working fine till tomorrow. Suddenly I am not able to open www.github.com, www.deviantart.com and additionally my router configuration page 192.168.2.1 . First, I thought that it would ...
2
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1answer
1k views

v12.10 can't apt-get update

I know there are lots of questions posed about this, but after troubleshooting for several hours, I'm not sure what to do anymore... I first installed Ubuntu 12.10 and had no internet access at all. ...
0
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1answer
87 views

Cannot ssh until pinging url [closed]

If, after starting system (freshly installed Linux Mint 13), I try to run: ssh mywebsite.com it hangs up with "Connection timed out". but when I open the browser and enter mywebsite.com there (or ...
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2answers
2k views

Why would I install a DNS server on my Ubuntu server?

When you install Ubuntu server, the default Ubuntu server will only store the core system, but there is an option to add additional server roles. One of these is a "DNS Server". From what I read, ...
1
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1answer
1k views

Regenerate resolv.conf from dhclient.conf without releasing/renewing IP?

When I make changes to dhclient.conf such as modifying the DNS search path (so that the changes don't get lost on reboot or DHCP renews), how do I regenerate /etc/resolv.conf? That page suggests ...
0
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1answer
634 views

dump cache of bind dns

when I do rndc dumpdb then this file has no new cache dumped (18.04 was yesterday, I don't know how I did this dump) and looks like: > ; ; Start view _default ; ; ; Cache dump of view '_default' ...
0
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2answers
1k views

Static Wireless IP - Can Only Access Internet Using IPs

I am using Lubuntu 12.10 as a local server and I am trying to get a static IP from my wireless network. I don't have a problem connecting to the server, I can ssh and view webpages on the same network ...
0
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0answers
383 views

Why is network connection not working on Virtualbox guest?

The /etc/network/interfaces file # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network ...
0
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1answer
174 views

How website name get resolved?

I'm using Internet via a usb datacard on Ubuntu 12.04. I never configure domain name server. My question is how website name get resolved? Is there a inbuilt domain name server in system? if not ...
0
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1answer
150 views

Conditional Host File

I'm working locally on a project and want to have some requests to a domain resolve to localhost and others just go where they normally would. I want to essentially do this in my hosts file: ...
0
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0answers
174 views

Using Bind in Ubuntu 12.10

I tried to configure bind in Ubuntu 12.10 32 bit , but when I am using dig I am not getting the correct response. I should have got the IP of my server instead of getting it of remote site with that ...
14
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2answers
355 views

Identify “rogue” internet accessing Applications

At the moment I have an application/service/widget/plugin/cronjob whatever, accessing the internet on a regular basis. I could go into the details of my specific issue but I'd rather have an answer ...
3
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2answers
5k views

Extrememly slow DNS lookup

Ubuntu 12.10 I'll explain the first problem. Sometimes when I load a webpage it never finishes loading and it says cannot reach server or something like that. When I ping that website, the terminal ...
1
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1answer
2k views

How do I flush out the DNS resolver cache? [duplicate]

On Microsoft Windows OS, at the command prompt, I issue the command ipconfig /flushdns to flush out the DNS resolver cache. On Ubuntu 12.10, what is the corresponding command?
7
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2answers
7k views

What is my DNS server?

My /etc/resolv.conf looks like this: # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver ...
0
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1answer
3k views

Local hostname resolution with local Ubuntu DNS server fails

So I will start with the fact I wasted the whole day trying to figure that out with no results... I have a small local network behind a NAT router. It goes like this: ISP->NAT Router (contains a ...