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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21 views

DNS resolution conflict in 12.04

I ping host1 in my first terminal, it exits with 0 (success). Then in a separate terminal I ping an unknown host (which fails) and it makes the first ping fails as well! Here is my best shot at ...
2
votes
1answer
710 views

How to change the DNS server across network interfaces?

The only consistent solution for changing your DNS server is to change it in each individual network interface. This means for Ethernet and for each wireless network you use. I'm looking for a way to ...
1
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0answers
55 views

dig +trace returns my DNS IP

When I'm trying to execute dig +trace command, output is the following: $ dig +trace google.com ; <<>> DiG 9.9.5-3-Ubuntu <<>> +trace google.com ;; global options: +cmd ;; ...
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0answers
173 views

Ubuntu 12.04 Cannot connect to Starbucks Free attn Wifi, DNS issue

first off, I'm a bit of a newbie and networking stuff is not my forte. So I've been pulling my hair out for the last hour trying to get my 12.04 Ubuntu partition to connect to an AT&T hotspot in ...
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0answers
51 views

Can not reach bitbucket.org from browser

I can not load bitbucket.org in the browser(both FF and chrome).When i ping i get the right answer: PING bitbucket.org (131.103.20.167) 56(84) bytes of data. 64 bytes from 131.103.20.167: icmp_seq=1 ...
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1answer
389 views

Connecting to private IP's in Ubuntu 14.04 with Microsoft VPN

I have an installation of Ubuntu 14.04 configured with a VPN connection. I followed this article which seemed to pertain to Ubuntu 12.10 but the instructions seemed to apply for the new version as ...
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2answers
675 views

How do I find DNS servers in use by my Xubuntu 14.04 Server?

I have a Xubuntu Server 14.04 x64. How do I list all DNS servers that are in use without NetworkManager which is not even installed?
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0answers
90 views

Can I use dhclient-exit-hooks.d to update freedns.afraid.org

If I understand it correctly, the dhcp client installed in my ubuntu installation will call scripts located in /etc/dhcp/dhclient-exit-hooks.d/ after dhcp settings are acquired. I have used this in ...
1
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1answer
278 views

ping the FQDN failed but 'short name' works [duplicate]

I'm on an enterprise LAN (Windows domain and Windows DNS server) and I want to access to another computers on LAN (mostly in https) On my ubuntu (14.04, fresh install) when I do : ping ...
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0answers
40 views

opendkim-genkey txt record in Ubuntu 14.04

After upgrading to Ubuntu 14.04 and generating keyfile using opendkim-genkey I've noticed the txt file is broken like: myselector._domainkey IN TXT ( "v=DKIM1; k=rsa; " ...
0
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2answers
266 views

I got Apache working on localhost (“it works!”), but now how do I get it to work on the internet?

I can see my "website" locally but how do I get it to show up online? Does it need a domain name per se or can't I just get DNS somehow to pick up my IP address and put it online or something, I don't ...
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0answers
39 views

subdomain setting with ubuntu server 12.04

I have created subdomain in my DNS server and I wonder how to set each subdomain so that it only accept connections via particular port? eg: ftp.example.com ---> only accept connection comes from ...
0
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1answer
107 views

Use Ubuntu Server as Proxy

First of all if i'm asking this question at wrong place i'm terribly sorry for it. I'm an expert about NT Servers but very rookie about linux systems, i'm making tests to learn it. I want to share ...
0
votes
1answer
172 views

network unreachanble [closed]

I have a wifi router and all other devices are working fine (have i-net) On my ubuntu box I can connect to wifi network. I cannot ping anything: $ ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 ...
3
votes
2answers
745 views

How do I make Apache serve a single static page no matter what the entered URL is?

I'm making an advertisement blocking DNS server that redirects all the advertisement domains to an instance of Apache. So something like www.addomain.com gets redirected to dnsserver.localnetwork ...
0
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1answer
43 views

Why is hostname resolution different with root/sudo?

If give my NAT IP a hostname in /etc/hosts # ... 192.168.20.20 myname-local.de then ping myname-local.de is successful, but sudo ping myname-local.de says unknown host? Why is that? And how do I ...
0
votes
2answers
102 views

internet is not coming but skype is working

I am unable to connect to internet. All configuration are correct. whenever I start my system I need to do the following configuration. Log in to root, cd /etc nano resolve.conf then I write the ...
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0answers
84 views

How to fix transient dns resolution errors?

I'm running into an issue with dns resolution failing for no reason, for example: ssh: Could not resolve hostname bitbucket.org: Name or service not known. When I retry a command, eventually the ...
0
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1answer
307 views

customized Ubuntu 14.04 - DNS doesn't work

I've made a Ubuntu 14.04 VM, customized it a bit (apps, etc), and created an .iso via REMASTERSYS. I then made a bootable USB w/ unetbootin. The DNS works on the VM and on multiple laptops in the ...
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0answers
263 views

Ubuntu MAAS DHCP working DNS Not working

I setup Ubuntu 14.04 MAAS on one server. I setup interface to manage DHCP and DNS via the Cluster interface. DHCP is working. But, DNS is not! When I try to add another node, it is doing PXE boot, ...
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0answers
116 views

Ubuntu maas DNS Node not connected to internet

I have a Ubuntu MAAS Region and Cluster Controller on one Server. It is running DHCP Server as well. MAAS Cluster interface - "Manage DHCP and DNS" did not start a DHCP Server. So, I had to manually ...
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2answers
1k views

override dns nameserver

i wish to set higher priority for my dns nameservers, or override the ones that are being set by the dhcp server. no matter which approach i took, nslookup never displays the right dns nameserver. ...
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0answers
71 views

Ubuntu Thunderbird doesn't send anymore all of a sudden (T-Online, SMTP-Error), wrong DNS-Records?

so, here's the thing: an ubuntu-machine (all of a sudden) cannot send emails anymore (using Thunderbird), receiving emails still works. Details: Because the pc has a really weak VGA, I couldn't ...
0
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0answers
361 views

How to set multiple nameservers in /etc/resolv.conf which sticks on reboot?

Ubuntu 14.04 Server edition only displays "nameserver 127.0.0.1" in "/etc/resolv.conf" on each reboot if the dns-nameservers in "/etc/network/interfaces" contains 127.0.0.1 and some other DNS such as ...
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0answers
72 views

Zentyal PDC on MAAS

OK, so I may be smoking crack here, but feel free to tell me... ;-) I currently have a server running Ubuntu 12.04 LTS and Zentyal 3.3, with the latter configured as my primary domain controller ...
0
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1answer
65 views

How to stop DNS attack in dns server [closed]

My DNS server is receiving hundreds of query request in every minutes from unknown users. How can I stop this?
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1answer
86 views

Set up NGINX and bought a domain. How to connect the two? [closed]

I have set up nginx on my vserver and it seems to be working properly. I also purchased a domain at nic.md Now it's asking me for NS host names and addresses. Googling did not help much. Do I need to ...
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0answers
66 views

ubuntu Server 12-04 can access lan but not internet [closed]

My Ubuntu server stop going to Internet, I can ping the server from the LAN but the server do not go to the Internet. ifconfig; br0 Link encap:Ethernet HWaddr 00:10:18:77:5e:46 inet ...
5
votes
2answers
3k views

docker.io DNS doesn't work, it's trying to use 8.8.8.8

I have a new Ubuntu 14.04 install, and want to use Docker to run my old stuff that needs 12.04. DNS inside Docker doesn't work. My laptop's resolv.conf looks like: nameserver 127.0.0.1 Which ...
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0answers
74 views

How to make rdnssd honor DNSSL from radvd?

My radvd.conf have the following lines: ... RDNSS 2001:4860:4860::8844 2001:4860:4860::8888 { }; DNSSL domain.com.br { }; ... All Mac OSX IPv6 clients recognizes that option and my domain appear at ...
1
vote
1answer
101 views

Static ip but dynamic nameservers?

Trying to change nameserver' settings for a Ubuntu-13.04 server I came upon this situation! /etc/network/interfaces : # This file describes the network interfaces available on your system # and how ...
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0answers
184 views

Smart DNS Server configuration on my Ubuntu VPS

I need to configure Smart DNS Proxy Server on my Ubuntu VPS so all people can connect to my VPS DNS and watch website content like overplay. I need expert help and detailed steps for how to get ready ...
1
vote
3answers
456 views

why does the “host” and “nslokup” command show the wrong IP?

On my Ubuntu 12.4 these work fine: $ hostname my-machine-XX ping `hostname` ping my-machine-xx (192.168.0.69) icmp_req=1 ttk=64 time=0.043 ms But host and nslookup return the wrong IP address: $ ...
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0answers
158 views

error in named configuration

I am getting the following error while starting named service after configuring dns. Pls help [root@server ~]# service named start Starting named: Error in named configuration: zone ...
1
vote
1answer
365 views

Subdomain Configuration on Ubuntu nginx Server [closed]

First of all, I'm sorry for my bad English. I'll try to explain my aim as much as possible. I'm using a 2 Core and 2 GB memory VPS with 1 dedicated IP address from Digital Ocean for my project. I'm ...
0
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0answers
2k views

Ubuntu Server 14.04 LTS - Default gateway and DNS different to Laptop network settings

I have been having trouble setting my Ubuntu server network settings. Both my laptop and server are connected to my home router, laptop via wifi and router via ethernet, router address is ...
0
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0answers
112 views

DNS (caching, zones) in 14.04 not working correctly

trying to get DNS working locally. I have a client VM that is a static IP and pointed to the local nameserver (.250) via /etc/network/interfaces. Both VMs are set to NAT, which I suspect may be an ...
1
vote
1answer
166 views

Problem Configuring DNS on ubuntu server running as a virtual machine

I am running "ubuntu-14.04-server-amd64" server as a virtual machine via virtual box on my MAC OSX 10.9.X. I am trying to learn how to configure DNS via linux. I crawled websites for continuously for ...
0
votes
1answer
32 views

Send e-mails from a server, preventing from being blocked by anti-spam [closed]

I have a domain that points to server A. There is an 'a' entry in the DNS table of this server pointing to a server B. My website visitors will see the page hosted in the server B, not A. MX entries ...
1
vote
3answers
230 views

Error message; [IP]in-addr.arpa has no PTR record: [duplicate]

I'm trying to figure out how to find the hostnames of computers on the LAN network. I put in the known address of a computer, but I'm getting an error I don't understand. ...
0
votes
2answers
419 views

bind fatal error cant open custom log

I have been having problems with bind9 on 14.04 LTS sudo service bind9 start produces next log May 20 21:47:46 c1 named[1110]: starting BIND 9.9.5-3-Ubuntu -u bind May 20 21:47:46 c1 named[1110]: ...
-1
votes
1answer
58 views

DNS issues. Why and how to resolve?

I had been running internet via my USB modem and things were pretty well till last week. From then, I wasn't able to access websites or any net service, though applet shows network is connected. ...
0
votes
1answer
158 views

possible DNS problem unable to connect to us.archive.ubuntu.com

I just upgraded my ubuntu server via command line to version 12.04. I was on 11.10, so when I upgraded I have to switch the sources in source.list to the old-releases.ubuntu.com source. Everything ...
0
votes
1answer
5k views

How to create and configure DNS Server in Ubuntu 14.04 LTS Server

How to change the name of localhost to custom name which is available to other users in lan As the extension of my previous question i want to know how to implement DNS Server and configure it. In ...
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0answers
144 views

DNS Configuration Questions

The System: Ubuntu Server 12.04 LTS The system has the Ethernet interfaces eth0 and lo Background: So I installed and configured dnsmasq on my system. dnsmasq somehow managed to update ...
0
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1answer
37 views

Global DNS change

can someone help me change my DNS server globally without having to do it manually thru network manager for every connection I have. I want to use OpenDNS, whether its at home, uni, wifi hotspot, ...
0
votes
3answers
6k views

ping: unknown host google.com in UBUNTU SERVER [duplicate]

I use Ubuntu Server 12.10. Why if I try: ping google.com ping bitbucket.org or any other website I have: ping: unknown host google.com ping: unknown host bitbucket.org EDIT: ...
2
votes
0answers
1k views

Not pinging with host-name and can't ssh using hostname [duplicate]

I have setuped a DNS server in Centos6.5 and its working with every client machines other than ubuntu, now i have issue with ubuntu While im trying to ping from desktop machine to DNS server as ping ...
0
votes
0answers
377 views

Ubuntu 14.04 on VMWare DNS Not Working

For reasons, I don't understand, my Internet is not working in Ubuntu 14.04 running via VMware. In all probability I think it's a DNS problem as I'm also not able to ssh into my servers. Some ...
1
vote
1answer
53 views

Error starting up dns forward zone file

I am working setting up my DNS, but i am getting errors in: tail -f /var/sys/log. I have setted up a static ip-adress in networks: 192.168.10.1 May 11 18:13:54 s180368 named[3582]: command channel ...