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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3answers
34 views

DNS not working after upgrade from 12.04 to 14.04

I've recently upgraded my desktop from 12.04 to 14.04 and now my internet connection isn't working. I can access my router. I can go to Google by entering its IP address. My resolv.conf file: ...
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0answers
11 views

OpenVPN nameservers ignored by NetworkManager or whatever [closed]

I've followed a dozen suggestions from different websites and nothing helps. I'm using Elementary OS (based on Ubuntu 12.04). I use OpenVPN client to connect to an office network. The company I work ...
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0answers
30 views

Ubuntu server DNS issue [closed]

Hello guys I seem to be having issues with my Ubuntu server not being able to sudo apt-get update that it does not pick up on the update files. I have changed the DNS to Google's which allows me to ...
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0answers
11 views

Unable to connect to Photon plus Huawei in Ubuntu 14.04 after update

I have been unable to connect to internet using my photon plus Huawei device. I had been using this device earlier without any issues. Maybe some system update or system shutdown without disconnecting ...
1
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0answers
13 views

isc-dhcp-server: dhcp dynamically update dns records

i'm trying to dynamically update DNS records when DHCP give out addresses. but even though I have specified allow-update with a key in /etc/bind/named.conf.local and specified the same key in ...
1
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0answers
19 views

Dnsmasq and Iptables for routing

I'm using a Raspberry Pi with two ethernet ports as a router. The network looks like this. "Internet" <--(…)--> Fritz!Box <--(172.16.x.y)--> [eth1, dhcp] Raspberry Pi [eth0, static] ...
1
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2answers
54 views

DNS server with Bind9: can't resolve DNS records in forward and reverse zone files

Hello everyone :) I have tried to set up my own DNS server with bind9, but although I have tried several tutorials, I still get the same error. Starting bind9 works fine but when I use nslookup or dig ...
2
votes
0answers
33 views

Beaglebone black with Debian OS on Ubuntu 14.04 in Virtualbox VM

I am using the Beaglebone Black for the first time. It has the Debian 7.4 OS and I'm using Ubunbtu 14.04 installed in Virtualbox. I'm trying to install Python IO libraries but I'm getting the Can't ...
1
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0answers
33 views

Ubuntu shows “resolving host” but Android is able to instantly access internet on the same network

I am connected to my home wifi network. I have this constant problem with my laptop which runs Ubuntu 14.04 currently. Very often, while accessing the internet, I can see the web pages timing out or ...
0
votes
1answer
30 views

subdomains on apache with external dns

First I will describe my setup, after that my problem and last my question for solution. I have an external DNS server solution (not using DNS on my UBUNTU) where I control all my primary DNS etc. I ...
0
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2answers
55 views

I deleted my resolv.conf how do I get it back or how do I create it again

I was changing my DHCP IP address to static on my server by sudo gedit /etc/network/interfaces and managed to edit the file and save it. I then went to change resolv.conf but then it went blank and ...
0
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0answers
13 views

Unbound DNS queries sometime time out

I've just set up my own Unbound (1.4.22-1ubuntu4.14.04.1) local DNS resolver on an Ubuntu 14.04.2 LTS installation. I've re-used an Unbound config file I used in the past and it was perfectly working. ...
0
votes
0answers
46 views

How do I fix a DNS leak?

Now that I'm using a VPN 24/7, I've been looking to enhance my privacy further and discovered the phenomenon called "VPN leaks"... Further investigation has revealed that my computer does in fact, ...
1
vote
0answers
16 views

Implement Catch-all HTTP Server using DNSMASQ

Ubuntu 14.04 | dnsmasq My goal is to setup a catch-all HTTP server using an Ubuntu 14.04 workstation as DNS resolver. I have installed dnsmasq on my Ubuntu 14.04 OS using apt-get install dnsmasq and ...
0
votes
0answers
18 views

Query the DNS server(s) that are used for VPN

Is there a robust way to show which DNS servers are currently used by dnsmasq? The suggested Command-line to list DNS servers doesn't seem to help when VPN is active, and searching in syslog is not ...
1
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0answers
45 views

Bind9 DNS:Configure A Local Forwarding DNS Server

i've a small local network Containing(for example): A Ubuntu 14.04 PC As a DNS Server[192.168.1.10] chat.Server1 on 192.168.1.11 chat.Server2 on 192.168.1.12 chat.Server3 on 192.168.1.13 And I ...
-1
votes
0answers
19 views

I have problem in my dns

I have problem in my DNS server some time it;s can't resolve the query My server request query form my adsl user some times he can't resolve the page and it must reload the page to open Can any ...
0
votes
0answers
19 views

Unable to receive mail through squirrelmail on ubuntu LTS 12.04 server

I've been setting up an ubuntu 12.04 LTS web server using the howtoforge guide here. So far everything is working correctly except for receiving emails through Squirrelmail and Dovecot. None of my ...
0
votes
1answer
28 views

Sporadically unable to connect to ubuntu 14.04 LTS server using domain name

I use a DDNS which is automatically updated by my router every time a new IP address is assigned to the domain name. The no-ip domain name is pointing to the correct IP address. Currently I am ...
1
vote
1answer
19 views

Setting up DNS on JUJU for local

So I have found Juju, which looks amazing! However a huge blocker for me is not knowing how to setup DNS. I have a dedicated server running Ubuntu 14.04LTS with JuJu installed, running local ...
0
votes
1answer
18 views

Set up A- and PTR-records automatically

is there a way to make the DNS or DHCP server to set up the A-record and PTR-record for each IP in a subnet? instead of adding one by one? thanks
0
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1answer
29 views

Lookup DNS-names outside domain

how do I configure my DNS server so users can lookup the DNS names outside my domain Linux1.ok? this should be done recursively. thanks
0
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1answer
15 views

Name lookup from secondary DNS server, if primary returns a non-reachable IP address

My Corporate Mail server(housed at HQ) is accessible to my zonal office(geographically located in a different state) via a point-to-point leased line on a LAN IP address say 192.168.1.100. ...
1
vote
1answer
35 views

Juju charm, what to do when you can't reach archive.ubuntu.com?

I'm writing a Juju Charm for StrongSwan to auto-configure a VPN server. One of the things I noticed with the CharmHelpers code is that the apt_update() function only checks for DPKG lock. I want to ...
1
vote
1answer
30 views

How to set forwarders on MAAS Bind9 + openstack-install

I'm installing Openstack using openstack-install (MAAS+juju+landscape), and I got stuck on the first bootstrap forever. After some troubleshooting I realize the problem was DNS. On the bootstrap ...
0
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0answers
43 views

can't uninstall unotelly - dns problem

Hi I have installed unotelly using these suggested procedure: Terminal Method 1 - Easy Way using our Preconfigured File: Open Terminal Enter wget www.unotelly.com/downloads/resolv.conf.ubuntu Enter ...
0
votes
1answer
29 views

Set DNS settings Ubuntu Touch

Is there a way to change the DNS settings in Ubuntu Touch? If it's possible, is it possible to use other DNS settings when connected via 3G than the settings used when connected via WIFI? I cannot ...
0
votes
4answers
70 views

Ubuntu 14.04 dns resolution stopped working after minor update

Yesterday the internet connection was working correctly and I accepted software updates.Today I can reach the default gateway, the dns servers (8.8.8.8) but no internet address such as www.google.com ...
1
vote
1answer
51 views

Configure DNS for subnet [duplicate]

I have configured my own DNS server and want to make it possible for everyone on the subnet to lookup each other. How do I do that?
0
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0answers
23 views

Check if DNS-server is correct configured

how do I check if my DNS server is correctly configured? when I do this command without editing /etc/resolv.conf to DNS server's IP host 192.168.0.X I get host X.0.168.192.in-addr.arpa not found: ...
1
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0answers
21 views

Having trouble getting duckdns to work in 14.04.2 LTS

I'm trying to get DNS working for my odroid-C1 Ubuntu but running into this weird problem, error message saying symbol lookup error but my libjavascriptcoregtk-3.0 package is the newest and greatest. ...
0
votes
1answer
33 views

Replacing /etc/resolv.conf

I'm running Ubuntu 14.04 alongside windows 8.1. But in no way could I make the Internet work. I messed up trying to replace the /etc/resolv.conf file and it got removed... I would like to download it ...
3
votes
1answer
143 views

DNS Resolution Problem on Ubuntu 14.4 LTS

I have a Windows 8 host machine running VirtualBox and a running a Ubuntu 14.4 LTS Virtual Machine. In the Ubuntu VM, I can access and resolve DNS for every external site (Ex.: www.google.com) and I ...
1
vote
1answer
59 views

ISC DHCP Different DNS Server For Different Client OS

Is it possible to configure isc-dhcp in a way that it can send different DNS server addresses to different clients in the network? Let say I have some Macs, PCs with Linux and Windows in the ...
0
votes
0answers
41 views

Ubuntu 14.04 no DNS resolv

In my desktop pc with dual boot (Ubuntu 10.04 and Ubuntu 14.04) with the same Network configuration I have access to the internet running 10.04 and after the last update in 14.04, NetwokrManager stop ...
0
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0answers
23 views

IP addresses of DNS Queries Show Up Backwards in Wireshark

I have been using DNSCrypt with dnsmasq on my Ubuntu 14.10 machine. When running a dumcap via Wireshark, I've noticed a couple of odd occurrences lately. Firstly, after disconnecting from my VPN, with ...
0
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0answers
22 views

How do I get NetworkManager's dnsmasq to work properly?

I have decided to give Ubuntu another shot, but I am running into some road-bumps after getting it installed. Namely, NetworkManager is not playing well with DNS. I am trying to get networking ...
0
votes
0answers
6 views

Possible to access lxc guest containers via DNS?

Assume I have a VPS server available at dev.myserver.com- I would like to be able to run 1 or 2 services from this one server, for example a saltstack service and a Jenkins instance. Now to keep the ...
2
votes
1answer
189 views

Cant access apache webserver outside/inside local network

I apologize in advance if I use any technical words in the wrong way. I'm still a newbie to Linux/networking Ive been trying to figure out this problem for over a week and none of the related ...
2
votes
1answer
41 views

DNS not resolving on same network only from outside - 3 days of headache already

I have a domain forwarded to my apache server let's say test.example.com. This works fine outside my home network I can reach it via mobile (4G). But on my laptop I can't reach it. Also I can't ...
0
votes
0answers
49 views

browser unable to resolve host

I want to visit some websites, but I always get "unable to visit", unable to resolve the host. I tried ping, and I get: esolve@mypad:~$ ping http://www.santaihu.com/ ping: unknown host ...
0
votes
1answer
61 views

DNS broken when logged in via XRDP?

I have an install of Ubuntu 12.04LTS x64 and log into it via XRDP from a Windows PC using Remote Desktop Connection. My problem is that when I try to install software usint package manager or ...
1
vote
1answer
94 views

Cannot resolve hostname

5 PCs, all running Ubuntu, connected by a wireless to router with DNS. Running an ejabberd server on one of the PCs, and an Apache server on another. PC 1 can only connect to the servers with their ...
0
votes
0answers
66 views

DNS can resolve only www.google.it

I have a problem with DNS resolving. While surfing on the internet the computer stops loading pages in a random way, Chromium shows me the "DNS_PROBE_FINISHED_NO_INTERNET" error. I also can't ping any ...
0
votes
0answers
35 views

nslookup returns name along with address.in-addr.arpa in suffix

I have configured bind9 in ubuntu 14.04.2 server. While nslookup my address it returns name along with address.in-addr.arpa in suffix. Example: nslookup 192.168.182.10 Server: 192.168.182.10 ...
3
votes
1answer
38 views

code is still using old IP even though server nslookup showing new IP

I have migrated a site to a new server. When I check DNS checkers online it seems that the domain has propogated worldwide. When I try on the server nslookup www.example.com I get the new IP as ...
0
votes
0answers
21 views

Update ubuntu with static DNS

I am trying to set up a machine with Ubuntu where I can not use any connection to a DNS server, and I would like to be able to update the system periodically, but, adding the ip that I get ping-ing ...
0
votes
0answers
23 views

Repository MTR strange behaviour:

Can someone explain this MTR readings or that may be a DNS resolver issue. have tried many things: such as changing dns to popular public ones with no changes First issue: MTR GUI does not show the ...
3
votes
1answer
63 views

How do you update the DNS resolver configuration without causing downtime?

A note New question, since everything else on this matter appears to be outdated and/or conflicting. Hold your close votes, please :) The problem On stock installs of Ubuntu 12 and 14 Server, the ...
0
votes
0answers
89 views

Ubuntu 14.04 DHCP client not updating Windows DNS

We have a set of Windows 2012R2 domain controllers which provide DNS and DHCP service for the network. I have an Ubuntu 14.04 server which is getting addresses via DHCP. This works correctly. In the ...