Tagged Questions

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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20 views

Ubuntu Server 12.04 cant resolve domains

I have an ubuntu server running 12.04 and nslookups fail. I'm 100% sure that the information I used in /etc/network/interfaces is accurate. I can successfully ping the default gateway as well as the ...
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8 views

Using Bind for DNS request and serving A records

I have asked in a few places and do not seem to be able to get an answer. I have a subdomain ie ddns.example.com pointed to a server. I intend to give users a hostname ie bob.ddns.example.com. ...
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1answer
38 views

Able to access web by ip, but not by dns name

I'd like to post a solution to a problem I've encountered in my university. The issue is closely related to this post. I asked the user whether or not he found a solution but he never responded. In ...
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1answer
19 views

DNS points to the right IP, but I can't SSH based on DNS

I can connect remotely to my system using the IP address, the DNS returns the proper IP, but I can't connect via a DNS record. i.e. matt@pontus:~$ ssh fake.myDnsExample.com ssh: connect to host ...
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0answers
11 views

Local domain won't resolve

I have a dns which I had put into the ip4 config which should in theory give me access to a *.test.local domain. It pings well. I also disabled the avahi daemon completely. The hosts line in the ...
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0answers
12 views

How do you establish named address resolution between local network nodes

Looking to establish being able to connect between nodes within a home network via names rather than IP addresses, I wonder what is the simplest way of accomplishing that. The network is based on a ...
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0answers
20 views

Set up DNS (14.04, desktop)

I am looking for a way to set up DNS. What I'm looking for would preferably be something like the menu in point 3 on this site http://support.unblock-us.com/customer/portal/articles/291525 eg. the ...
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0answers
6 views

Setup resolvconf to query specific dns server based on domain?

I have a VPN through which I like to be able to hit the DNS servers for one domain and I have a local (to my subnet) DNS server I like to hit for another domain. Both are internal DNS servers so ...
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0answers
10 views

How can I setup BIND to use different forwarders depending on the client?

Hopefully this is possible, I'm trying to set up forwarders depending on the client preforming the DNS query. It should look something like this: 192.168.1.10 -> forwarders = 1.1.1.1; 1.1.2.2 ...
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0answers
16 views

why do all bad hostnames resolve to 198.105.254.23?

I'm running 14.04 on a desktop and laptop connected to a DSL router and am unable to get any of the internal hostnames to resolve correctly. When I dig desktopname: ; <<>> DiG ...
0
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1answer
18 views

Benchmarking DNS queries

I've recently switched to a router that allows me to set the network's DNS resolution to an internal server. Because of that, I'm playing around with a few DNS caching techniques (like bind9, pdnsd, ...
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1answer
30 views

Ubuntu MAAS DNS not forwarding request

I am trying out MAAS but I am having trouble getting the node to reach the internet. This is my setup: 3 physical machine, with 1 of them having two network cards acting as gateway, cluster ...
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0answers
21 views

Local DNS server 127.0.1.1 fails often

This problem happens only at my workplace and only with my laptop, not my colleagues'. The problem is that DNS resolutions fail often. Sites won't open, git pushes won't execute, and i have to ...
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1answer
38 views

How to configure Ubuntu to use all nameservers detected by dnsmasq?

I am having trouble resolving DNS names on an internal VPN network, even though dnsmasq successfully detects nameservers on the VPN. The following is relevant output from /var/log/syslog: ...
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0answers
18 views

hosting website with ubuntu server, is SilverStripe CMS compatible?

I am seeking to host a website on my computer using Ubuntu Server 12.04, I made a website in SilverStripe (CMS), I already copy the whole project in Ubuntu using WinSCP, import the database in ...
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3answers
36 views

Wireless connects but cannot go to any web site; windows works fine

Ubu 14.04.1 x64 Broadcom wireless adapter I came to my home office this morning and connected to the wireless network there, which I've done in the past without issue (but I was on 12.04 then) but ...
1
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1answer
48 views

dns not resolving

I upgraded to ubuntu 14.04 and DNS no longer resolves. I've got a static IP in /etc/network/interfaces with dns-nameservers and dns-search lines. My resolv.conf file appears to be the correct ...
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2answers
62 views

Cannot access Google services

I cannot access any Google services such as Google.com or GMail from my Ubuntu 14.04. It's not an ISP issue, because I can access Google services using my smartphone using the same wifi connection ...
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0answers
19 views

Routing internet, resources and other network traffic through two NIC

Say you have two NIC cards and want two different subnets on each card but one gateway to the internet: eth0 192.168.1.1 netmask 255.255.255.0 gw 192.168.1.1 (DHCP and DNS Services) eth0 ...
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0answers
27 views

Configure Bind9 to search local domain for localhosts first

First a little background.(skip this if your in a hurry) This is a network in a small shop. There is a mix of clients on this network. There are PC's running various versions of windows and linux as ...
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0answers
17 views

Server with two DHCP NICs: How to define whose nameserver to use?

I have a Ubuntu 14.04 server with two NICs, both get their configuration via DHCP. eth0 is connected to the internet, eth1 is connected to an internal subnet. I want that server to always use the ...
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2answers
56 views

Setting a Static Ip on Ubuntu

I'm struggling with setting my static ip, nothing seems to work. When I enter my interfaces, it says (by default): # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback ...
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0answers
23 views

all external requests/ping returns gateway as destination IP

"ping www.google.com" returns PING www.google.com (192.168.1.1) 56(84) bytes of data. and returns no response, obviously. "ping www.yahoo.com" returns PING www.yahoo.com (192.168.1.1) 56(84) ...
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0answers
19 views

Recommended way to create a Dynamic DNS service

I am trying to find web resources and recommendations on how to build a dynamic DNS service using ubuntu server. Any assistance would be greatly appreciated.
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1answer
33 views

Problem with BIND9

I have been fighting with this problem for a long time... For some unknown reason for me, some addresses seem to don't resolve, when I try dig www.google.com.br @localhost it returns me: ; ...
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vote
1answer
49 views

What DNS server is bind using?

I installed Bind9 in 14.04.1 and made no config changes, I did not touch any files in /etc. This means my laptop is a caching DNS server. My questions are: where is bind getting it's DNS? What ...
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0answers
17 views

Problem With Multiple website

I have Statc IP on my DSL. install bind9 and create ns1 , ns2 as Name Server, I set nameserves for main domain (www.dast1.ir) , and it come up correct. no problem. but I am going to confige another ...
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2answers
36 views

Failure to fetch http://somesite.com could not resolve somesite.com

I am changing my Unbuntu server from dhcp to static ip address. I haved added the following to the /etc/network/interfaces auto eth0 iface eth0 inet static address 120.120.120.120 netmask ...
1
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1answer
36 views

The server cant resolve host names

Please help with the following problem. Server is running under Ubuntu 14.04 server 32x. IP tables: INPUT DROP [0:0] :FORWARD DROP [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -p icmp -j ACCEPT ...
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2answers
169 views

DNS issues with my ubuntu 14.04

I just switched to Ubuntu 14.0.4 from Windows 7 using dual boot mode. I am connecting to my office's network using wireless wlan0. I am experiencing issues when trying to ssh to access several Linux ...
0
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0answers
42 views

which DNS is answering to “www”

Today, by mistake, I run this command ping www on a virtual machine running a guest Ubuntu 14.04 under Windows 7 host. The ping response is one of my server outside the network where I work, let's ...
1
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1answer
216 views

Fixing resolv.conf from Comcast Meddling

So I'm trying to get Ruby on Rails set-up on my development machine (with a fresh install of ubuntu 14.04). Everything is going well until I get this lovely message from the terminal: $ gem install ...
2
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0answers
56 views

Understanding ssh - apparent IP address: dynamic vs local port forwarding

I have ddwrt on my router back home and I'm playing with ssh on my laptop from a remote location to better understand ssh. My router has port 5000 listening for incoming ssh which it port forwards to ...
0
votes
1answer
66 views

Connected to wifi,But no internet

I am using ubuntu 13.10(64 bit) with 8GB ram and core i5 processor. Recently my service provider created a new wifi connection(name starting with AP) and gave me address,netmask and gateway ip to be ...
1
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0answers
48 views

dns-nameserver entries are ignored after 127.x.x.x

I'm trying to configure a static eth0 in a 1404 vps (lxc container). My interface config is auto eth0 iface eth0 inet static address 192.168.1.1 netmask 255.255.0.0 gateway 192.168.10.10 ...
1
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0answers
73 views

Both named and dnsmasq serving DNS on port 53?

Is this considered normal for Ubuntu 14.04 ? netstat -tulpn shows that both bind9 (named) and dnsmasq serve on port 53: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address ...
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0answers
44 views

cannot ping external addresses

I'm installing Ubuntu 14.0.4, I have edited my /etc/network/interfaces added a route with: up route add -net 10.X.X.X netmask 255.255.255.0 gw 10.X.X.1 my /etc/hosts and then when I open up my ...
1
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1answer
90 views

How to (re)configure my internet connection? (DNS resolving failed)

A couple of days ago I was working with ipython notebook and it opens me a page in my web browser (Google Chrome) and I was able to work with the notebook (zero problems with my internet). Then, I ...
0
votes
1answer
28 views

Messed with DNS, now does not connect to Internet

So I was trying to fix this reverse DNS issue: $ dig HOSTNAME.DOMAIN.com 1.2.3.4 #example $ dig -x 1.2.3.4 OTHERHOSTNAME.OTHERDOMAIN.com I was blindly following online ...
0
votes
1answer
49 views

Location of curl dns cache file and location of ubuntu global cache dns file

I have curl installed on my ubuntu instance. Can any one let me know location of curl dns cache file as well the location of global cache dns file. I was going through the curl documentation and ...
0
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0answers
69 views

how to setup split-dns for vpn with network-manager

I want to create a split-DNS config on a 14.04 desktop machine with both a local eth network and a VPN connection. Ie I should send DNS lookups for address ranges that are accessed via the vpn to the ...
2
votes
0answers
210 views

Ubuntu 14.01 LTS can't access some websites

Something is wrong with Ubuntu Kernel and Windows DHCP,DNS Server. First i will explain my problem in few words and then ill post all my configurations. My ubuntu computer is behind a all-in-one ...
0
votes
4answers
101 views

serving multiple websites over a home DSL line

I'm a complete noob at running my own server, and I want to install 3 different sites to be served from my Mythbuntu 14.04 system at home. What I want to do is not for actual public access though, but ...
1
vote
2answers
58 views

Want to restore to my default DNS server settings

I recently tried changing my DNS settings and while doing that I altered a few settings due to which I'm not able to access Internet on my Wired connection. I tried editing the resolv.conf as follows ...
1
vote
1answer
117 views

Can't ping Arch Linux machine from Ubuntu Server

I have a server and a desktop. Server: OS: Ubuntu Server 14.04.1 IP address: DHCP from Asus router, allocated by MAC address to 192.168.1.4 Connection: wired Ethernet, always on Desktop: OS: ...
0
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1answer
156 views

Symbolic link to resolv.conf strange behaviour in Ubuntu 14.04

I recently upgraded my PC to Ubuntu 14.04. I then experienced major problem in DNS resolution that did not work anymore. I finally found the following: in /etc, there is a 'resolv.conf' wihich is a ...
2
votes
0answers
103 views

Ubuntu 14.04 - Network problems (wireless and DNS)

I have seen a very similar problem on post: Cannot resolve dns on 12.10 install but with no clear answer and my problem is related to Ubuntu 14.04, another particularity is that this problem started ...
0
votes
1answer
140 views

14.04 Desktop: Static IP is acquired, ping works, DNS does not

My question is very similar to this one: Can ping but no DNS I have setup a static IP on my previous Ubuntu versions - 9.04 and 12.04 - without issue. I have used an identical means this time as ...
3
votes
1answer
811 views

Using Ubuntu 14.04 as router with iptables, clients can't go online. Probably DNS issue, iptables setting needed

CORRECTION 3: SOLVED! I needed to add the the official DNS server of my departement's VLAN as DNS to the clients. I've read through a large number of posts about iptables issues when using Linux as ...
0
votes
1answer
106 views

Where does `resolvconf` gets the IPs of DNS servers from?

On a server machine, I have the /etc/network/interfaces file similar to: # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet ...