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.

learn more… | top users | synonyms

0
votes
2answers
89 views

How do I make a DCHP server?

I want to finish making a minecraft server (TCP/UDP) I already have a system that uses a private ip of 192.168.0.9 And a DNS on it that uses the public ip of 2.220.217.108, then redirects to it from ...
0
votes
0answers
11 views

Bind9 statistic channels No such Url

Ok,so i'm installed and configured my bind9 --with-libxml2 # dpkg --list | grep libxml2 ii libxml2:amd64 2.8.0+dfsg1-5ubuntu2.5 amd64 GNOME XML library ii ...
0
votes
0answers
19 views

How to fix DNS_PROBE_FINISHED_BAD_CONFIG problem?

I am not sure why this error of DNS_PROBE_FINISHED_BAD_CONFIG is occuring, tried updating my drivers and software as listed here technothek.com/fix-dns-probe-finished-bad-config but still not ...
0
votes
0answers
13 views

Determine nameserver to use behind a proxy

I have access to internet only behind a proxy. apt-get works fine but when I do ping google.com I get ping: unknown host google.com. This is not the case when I do ping without a proxy. How can I ...
0
votes
1answer
18 views

Creating 2 DNS names for 2 domains on one static IP - Ubuntu

I have VPS Ubuntu 15.04 and there I have configured DNS for one of my external domains. This is sample of configuration at '/etc/bind/named.conf.local': zone "test.com" { type master; ...
0
votes
1answer
12 views

Test my custom created DNS?

I used VPS Ubuntu 14.04 (x64) to install test environment for my Ruby on Rails development. And I succeed with installing and configuring. Now I also configured DNS on that VPS server, everything ...
1
vote
1answer
3k views

How to resolve the DNS locally when there is a proxy configured?

If I configure the proxy, under Settings -> Network -> Proxy, and then try to access "http://google.com", the name resolution (IP of google.com) will happen there, at the proxy server but... How can ...
1
vote
1answer
21 views

Bind on non-recursive mode doesn't work

I installed bind for caching server and recursive mode works well. But Non-recursive modes doesn't work well. Here are option contents of /etc/named.conf (For recursive) options { listen-on ...
0
votes
0answers
25 views

Ubuntu 14.04 with Gnome 3, Network Manager issue

I have been trying to update the network setting of a fresh install via the GUI but am seeing this error: error editing connection: did not find a connection with UUID '(null)' The Network Icon in ...
0
votes
1answer
26 views

What does the public1 mean here? [closed]

$ tcpdump host 192.168.1.100 tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes ...
6
votes
3answers
7k views

Why is ddclient giving me an “Invalid IP” error when trying to update dynamic DNS?

I am having a really hard time getting ddclient (which updates OpenDNS with my current IP address) to work. I have it running as a daemon, but it never succeeds in updating my IP address at openDNS. ...
0
votes
0answers
20 views

Problem accessing the DNS

I am using rtmpdump to download streaming video. But getting error like this ERROR: Problem accessing the DNS. (addr: __________). if some one can help please reply urgently.
0
votes
0answers
14 views

dnscrypt-proxy - find the best DNS resolver and update the dnscrypt-resolvers list

I have installed dnscrypt-proxy and the default resolver I have is: resolver1.dnscrypt.eu. Is it possible to find the fastest DNS resolver from the list here: Also I have installed the program from ...
0
votes
1answer
48 views

Ubuntu 15.04 server DNS server - private network (no internet access)

Can anyone assist me in setting up a DNS server inside Ubuntu 15.04 server edition (inside VirtualBox)? This is on a private network in an area with absolutely no internet access, so I need to ...
0
votes
0answers
19 views

Ubuntu Clients Ignore DNS Server on local network

I currently have a dnsmasq DNS server running on my desktop Ubuntu 15.04 installation. I use it to point to local devices on my network. For example, I have a record linking kerberos.dgourd.com to ...
8
votes
1answer
4k views

DNS_PROBE_FINISHED_BAD_CONFIG error in Ubuntu 14.04

I am running Ubuntu 14.04 LTS on my Dell M3800. I am having problems connecting to the Internet. I getDNS_PROBE_FINISHED_BAD_CONFIG in my browser when trying to navigate to any site, but I am able ...
0
votes
0answers
10 views

Maas-Juju DNS Name Resolver Problem

I've been using my Maas (1.7.0+bzr3299-0ubuntu1~utopic) and Juju(1.24.2-utopic-amd64) setup for a few months now, and lately have noticed that neither mass server or juju services are able to resolve ...
1
vote
1answer
13k views

SSH: Could not resolve hostname user@host: Name or service not known with my connection

I have a problem to connect a server using ssh. I got the following error message: ssh user@host SSH: Could not resolve hostname user@host: Name or service not known with my connection Also, if ...
0
votes
0answers
20 views

How can I port forward for a remote tool?

I have looked everywhere and haven't found anything to work. I recently wanted to get into ethical hacking since I know physical security really well. I downloaded a RAT tool to play with but don't ...
0
votes
1answer
19 views

Two servers(services) on one machine (IP)

I'm wondering, is there any option to run multiple servers or services on one device (Ubuntu server) on one IP? For example I want to install something similar to ActiveDirectory, let's say it will ...
0
votes
2answers
168 views

DNS Issue in ubuntu 14.04

I am facing DNS resolving issue sometimes in my Ubuntu 14.04.2 LTS trusty. I have configured my system with network manager to work with static IP assignment. I have also tried by changing DNS server ...
0
votes
1answer
20 views

Advanced rules for hosts file

I need to add a rule for all subdomains of a domain. I imagine it should looks like this: 127.0.0.1 *.example.com As you can see, I need to redirect all requests to any subdomain on example.com to ...
63
votes
6answers
182k views

Command-line to list DNS servers

Is there a command to list dns servers? I tried $ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR ...
0
votes
1answer
47 views

DNS Server (a newbie asking)

I'm a new ubuntu user. I installed webmin to control my website better than command lines and also to not install desktop for perfomance. As I could understand what DNS is, how can I configure my ...
1
vote
1answer
34 views

Restricted internet access on 14.04. Teamviewer works, websites don't load

I now know it is not a DNS issue, because I can't even ping 8.8.8.8. I've added the output of tracepath 8.8.8.8. My machine running the most up-to-date version of 14.04 Trusty. The mobo has two ...
3
votes
1answer
50 views

Manually edit DNS in Ubuntu 14.04

I have problem with network connection. Internet don't work but when I type ping 8.8.8.8 in terminal it works. So I called ISP and operator tell me that to change DNS but I don't know where it is. ...
1
vote
1answer
25 views

DNS Name resolution problems [closed]

When I try to initiate PayPal API hook, I got timeout error. While trying over terminal, I found problems these: Web API Request returns: Connection timed out after 10365 milliseconds traceroute ...
0
votes
1answer
52 views

Ubuntu 14.04 LTS can't resolve DNS

When I do ping google.com I get ping: unknown host google.com But when do ping 173.194.67.138 I get this: PING 173.194.67.138 (173.194.67.138) 56(84) bytes of data. 64 bytes from 173.194.67.138: ...
2
votes
0answers
25 views

Why isn't NSS using mDNS?

I have a machine that is unable to resolve hostnames over mDNS: ### mDNS is working $ avahi-resolve -n foo.local foo.local 1.2.3.4 ### NSS is configured to use mDNS $ grep ^hosts ...
0
votes
1answer
4k views

dns configuration problem bind9

Following is my bind9 configuration the domain I want to configure is home.lan it is home network /etc/bind/named.conf.local is following zone "home.lan" IN { type master; file ...
1
vote
1answer
50 views

DNS Works Locally But Not Globally

I tried to setup and run my own DNS on an Ubuntu server using Bind. Assuming my hostname is example.com and the static ip on the server is 100.100.100.100, I get the following if I dig example.com ...
0
votes
0answers
18 views

Ubuntu 14.04 taking too much time to resolve a Host

I have a ubuntu 14.04 machine, Everything was working perfectly sometime before. but then just one day this problem started. when i try to load a page on chrome it keeps saying "resolving host" and ...
0
votes
1answer
238 views

Postfix, Dovecot mail server can send mails but not recive

I'm new to linux servers and just got myself a VPS from Ovh. Also got a domain though ovh. I have tried to use this Tutorial to set it up. And I guess that somewhere I must have messed up. Have ...
14
votes
6answers
27k views

Why is the /etc/hosts file not working?

I have been having problems with this for a while and have tried everything I know, so I figured it was finally time to ask for some help. Any edit I make to /etc/hosts just doesn't work. Example: ...
0
votes
0answers
12 views

How to run multiple websites on port 443 in Azure using Apache2.4?

I created a VM on Azure running Ubuntu 14.04 and installed a LAMP stack. In Azure you have an so called enpoint configuration manager, which basically let you redirect incoming requests from one port ...
0
votes
3answers
5k views

No internet connection (DNS server address is Router address)

My internet connection in Ubuntu 13.10 doesn't work. I can use IP addresses to open websites but not URLs. The DNS server that I connect to is the IP address of my Router. When I connect to the VPN of ...
2
votes
3answers
5k views

How can I connect to remote windows domain knowing gateway hostname and domain name?

I have received credentials for my University's network machine (Ubuntu yay!) that I have ssh access to. I would like to connect to it but first I need to connect through a gateway that I have ...
1
vote
4answers
100 views

How to find out which DNS server my wlan0 is using Kubuntu 15.04

BACKGROUND I am trying to find out what DNS server is being used when I connect to the internet with my wlan0 device. I am running Kubuntu 15.04. I have searched around and tried a few solutions, ...
4
votes
2answers
6k 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 ...
2
votes
3answers
215 views

network manager: how to stop nm updating /etc/resolv.conf

I do not want network manager to add DNS servers received from DHCP to my /etc/resolv.conf. When configuring from GUI/Connections/IPV4 and choose the method Automatic (address only) it still adds DNS ...
1
vote
0answers
24 views

No DNS names resolution in Xubuntu 14.04

The system is Xubuntu 14.04 on an S3J series Asus laptop. It worked o.k. until it suddenly stopped resolving internet names. As I recall, it happened during an "apt-get upgrade" process. First, I ...
0
votes
2answers
94 views

dnscrypt-proxy - check what resolver I am using

I have installed dnscrypt-proxy on my ubuntu 14.04. Now I'd like to check what resolver I am using. I know that the default configuration uses OpenDNS server, but I'd like to know what server it's ...
0
votes
1answer
42 views

using unbound with dnscrypt-proxy

My operating system is Ubuntu14.04 , I'm trying to use dnscrypt-proxy along with unbound,using unbound listening to port 53, forwarding name-resolve request to port 40, which is being listened by ...
0
votes
2answers
108 views

DNS is not working, /etc/resolv.conf is not overwritten. Why?

I have this configuration in my server in the Network Manager connection: /etc/NetworkManager/system-connections/wired-connection [connection] id=wired-connection uuid=0c501f08acc5497cb7... ...
0
votes
0answers
16 views

Reverse lookup only works when db.192 wrongly configured

Following this tutorial reverse lookup stubbornly fails to work for as long as db.192 is configured as is instructed. However, if I change the line: @ IN SQA server.domain.home. ...
0
votes
1answer
35 views

Google sites are not opening

I'm using Ubuntu 14.04 and I'm having a strange issue, I have no idea what else to do... 1) Some Google sites/functionalities are not opening. GMail works but the browser tab keeps loading forever, I ...
0
votes
1answer
50 views

Correct MX record, subdomain and Dynamic DNS settings for Namecheap Self hosted email @domain.com email & correct Hosts and Hostname for server

I want to correctly Set up my own email server at home for my domain.com. It is hosted by namecheap. I need to set up the following On Namecheap (Domain provider): MX Record Subdomain On Server: ...
1
vote
1answer
50 views

DNS issues with Cisco VPN (vpnc) on 15.04

I'm having issues with DNS resolution of on-network servers. I can get them directly via IP address, however DNS lookup fails. Notes: I configured the VPN connection via NetworkManager. The ...
1
vote
0answers
26 views

Using Ubuntu Server machine as a DHCP and DNS server to forward URL's to IP addresses

I'm inexperienced with Linux servers but I've done okay so far - basically I want this machine to dish out IP addresses via DHCP (done) and then I also want it to act as a DNS server that simply sends ...
0
votes
0answers
53 views

dns forwarder dnsmasq not working . . .?

I installed lubuntu 15.04 into a VirtualBOX vm and am using openvpn to connect to PureVPN service. I lose connectivity after an unknown amount of time. Disconnecting the VPN doesn't help. I've ...