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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43 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 ...
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1answer
56 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
261 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 ...
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0answers
53 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
301 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
76 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
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1answer
99 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 ...
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0answers
69 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 ...
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0answers
113 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
60 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
106 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
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1answer
32 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 ...
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1answer
87 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
85 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
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0answers
245 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
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4answers
113 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
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2answers
70 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
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1answer
193 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
255 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
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0answers
144 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
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1answer
254 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
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1answer
1k 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
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1answer
125 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 ...
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0answers
21 views

Access Server via a browser with DNS

I have Ubuntu 14.04 server running. When on my LAN I can go to a browser to access services running like Transmission and Plex by using the DNS address and the port number. My question is: How do I ...
0
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1answer
429 views

Evolution MAPI & Evo EWS not workining in Ubuntu 14.04

I recently upgraded my laptop from 12.04 LTS to 14.04 LTS without problems. First thing I tried is to reconnect Evo to our company's Exchange server. So I installed evo-mapi and the evo-ews package ...
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0answers
92 views

DNSCrypt-Proxy specific usage

I have some specific usage questions about DNSCrypt-Proxy. I followed a guide and ended with the command dnscrypt-proxy --daemonize –user=dnscrypt Without any further switches does it default to ...
0
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0answers
80 views

redirect wrong dns queries to url address?

I have local machine with bind DNS server and i need to redirect wrong dns queries address name to specific address name or web site url like google any suggestions ?
0
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1answer
23 views

Only resolve DNS on VPN Server

I installed pptpd but my connection is too slow and i need use Google DNSes (8.8.8.8,8.8.4.4) on my Android without root for mobile network (not Wi-Fi). How can i configure my ubuntu server for just ...
0
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1answer
164 views

KVM DNS Access guest by using it's hostname (ubuntu 14.04)

I have a guest machine running ubuntu 14.04 on an ubuntu 14.04 host running KVM/QEMU. Everything works fine except for one thing. Given my guest's hostname is virtual-machine-1 I would like to be able ...
6
votes
3answers
394 views

Internet conection problem when updating Ubuntu 12.04 to 14.04 Server

Upgraded my server's software from Ubuntu 12.04 to Ubuntu 14.04 and now the server cannot access the internet. I can ping devices on my LAN, including my modem. When I try to ping any site on the ...
0
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0answers
140 views

Ubuntu 14.04 LTS DNS

Since the introduction in Ubuntu 12 of a new way to handle DNS with the resolv.conf file https://www.stgraber.org/2012/02/24/...-ubuntu-12-04/ I need to clarify something Inside this article As ...
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0answers
121 views

Ubuntu Zpanel Unable to receive e-mail

I am able to send e-mail from my zpanel mailboxes but am unable to receive any e-mails. I get this error from gmail when I try to send e-mail to my mailboxes: mail exchanger not found. My domain ...
0
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0answers
75 views

Domain name server not working properly

My internet was not working in the browser or the terminal. After some inverstigation, I've found out that the problem is with the DNS. I have deduced this because ping 8.8.8.8 reports 0% packet loss. ...
0
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1answer
226 views

Can ping but no DNS

I have installed Ubuntu 14.04 on my laptop. This laptop has a Qualcomm Atheros QCA9565 Wifi network card, but no ethernet port. I can connect to the router. I can ping to 8.8.8.8, but when opening ...
1
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2answers
2k views

Ubuntu can not ping Host Name but can ping IP?

well I just went into the Ubuntu world for administration. I found similar threads, except, I am able to ping my own Host name and IP address and my windows can ping my linux host name, but Ubuntu can ...
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0answers
66 views

DNSMASQ Error in Syslog

I was browsing my syslog and I found this error:- NetworkManager[984]: [1407179609.489726] [nm-dns-dnsmasq.c:393] update(): dnsmasq not available on the bus, can't update servers. ...
0
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0answers
70 views

how to find dns servers that dnsmasq is pointing to

I cannot find a list of dns servers that dnsmasq is pointing to. nm-tool only gives the internal "DNS: 192.168.1.1" I want the upstream external dns servers that this is pointing to. I am on ...
0
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0answers
33 views

DNS-Nameservers problem

I run Ubuntu server 12.04.1 LTS Precise. If my network/interface was set on auto, the DNS works correctly. I'm able to run apt-get update and to ping various sites. When my network/interface was set ...
0
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0answers
41 views

DNS zone file issue after upgrading from Ubuntu LTS 12.4.4 to Ubuntu LTS14.04

I have 3 dns servers. The 2nd and 3rd dns servers are slave from the 1st or primary server. All my server are running Ubuntu Server LTS12.4.4 and I would like to upgrade them to the lastest version, ...
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1answer
78 views

How to create your own domain name from your IP and map/sync that with DNS server? [closed]

Is there any way to create your own domain name instead of purchasing???
0
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1answer
167 views

How to compile/install bind9 with DLZ (MySQL) support?

I am wondering how to compile or install a version of bind9 that supports DLZ (specifically, MySQL) on Ubuntu 14.04. According to my internet research, bind9 doesn't support it by default. Does anyone ...
0
votes
0answers
121 views

Not resolving DNS in Virtualbox guest OS

I'm running Ubuntu as a guest OS in VirtualBox within a Windows 7 host. I cannot access the internet from within the Ubuntu VM. Firefox just times out. In terminal I can ping external IP addresses ...
0
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0answers
21 views

Can not ping local site

I have the following situation: On one server in our network we have the DNS Server. Here we define hostnames for some local sites (ex: 192.160.1.6:8060 -> fisheye.idn.local). When accesing the site ...
0
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1answer
84 views

How to set DNS exclusively for a Network Namespace

I've created a network namespace. I thought there was a resolv.conf file for each namespaces created but it's not the case on my system (Ubuntu 14.04). I don't have the following path ...
0
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0answers
44 views

Problem with webmin (DNS)

I setup slave DNS server for my master, I configured everything, all domains was transfered to the slave server, I can add new domain, edit existing domain, but in the logs I've got problems. There ...
0
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1answer
30 views

DNS traffic keeps increasing

I have installed Monitorix on my home computer to play around with all these awesome things I can do with Ubuntu, and even joined the Monitorix mailing list. I had a question regarding how Ubuntu ...
0
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1answer
326 views

Apache - server not resolving by /etc/hosts if I have not internet connection

I have configured many virtualhosts in my current apache2 server, in my local machine (Ubuntu 13.10). Those are different local sites, with domains which are set in my /etc/hosts: 127.0.0.1 ...
0
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1answer
91 views

How to make WLAN server accessible on the internet

I'm using Ubuntu 14.04 desktop. I've installed LAMP and I believe a DNS program and a mail server. Since my ISP is dynamic IP I am using noip.com's free dynamic DNS service (which I know works because ...
0
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1answer
25 views

bind9 DNS works predictably for OSX machines but not for Windows machines

I have set up s DNS server using bind9. The purpose is to create a zone so that developers can browse to their work at something.dev.di where something could be anything as long as there is a matching ...
1
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1answer
80 views

Why are all my DNS queries received from 127.0.0.1?

I used the host command on Ubuntu 12.04 LTS to check my DNS server: host -a www.amazon.com showing this: Trying "www.amazon.com" ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: ...