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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76 views

Facebook hanging on akamaihd.net

I have this issue since a long time. Facebook keeps hanging on akamaihd.net. Often the page doesn't even load CSS, everything appears out of place. And sometimes the "establishing secure connection" ...
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28 views

Keep getting Bad Gateway

here is the output from $ sudo apt-get update Err http://archive.ubuntu.com trusty/main Sources 502 Bad Gateway W: Failed to fetch ...
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1answer
42 views

ISP DNS Server used Instead of Local DNS

The Issue On my company's internal network, there is a development server called devserver.mycompany.com Usually I can connect to this server with out issue, but sometimes (seems random to me) ...
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0answers
20 views

BIND configured, DNS configured. No joy!

I have a GoDaddy domain, I've adding host names (ns1, ns2 of the domain through GD), I've pointed the name servers to my VPS server IP. So we are ok so far, great. I've resorted to install VestaCP on ...
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53 views

how to configure lamp for ubuntu server so to load example.local domain to my web server

I have installed Ubuntu server 15.04, Lamp in it and configured the dns to setup static IP by following the below tutorial. ...
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20 views

14:04 Server: dhcpd/bind9 - (Static IP) Clients no longer have connectivity to external hosts

After following the linked guide from a fresh install of 14.04: http://blogging.dragon.org.uk/dns-with-bind9-and-dhcp-on-ubuntu-14-04/ I made an addition to /etc/dhcpd.conf so that I had a group of ...
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239 views

Ubuntu DNS change ERR_NAME_NOT_RESOLVED in Chrome

I've created my first ubuntu 14.04 server on digital ocean and tried to point my domain to it. Ive configured everything with help of the following tutorial to set up my apache virtual host. When i go ...
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74 views

Ubuntu 14.04 502 Proxy Error Reason: DNS lookup failure for: radiant

I tried to access a website I use on a regular basis, but I cannot access it anymore. I do not have any experience solving issues in my computer. I was wondering whether anyone could help me solve ...
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1answer
112 views

15.04 - Mounting using CIFS failing with “No such device or address”

I'm trying to mount a cifs share using: sudo mount \ -t cifs \ -o credentials=$HOME/.smbcredentials \ //server.example.com/Common/Share/Path /mnt/mountpoint Which fails with: Retrying ...
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39 views

if secondary dns server is down ubuntu can not resolve

I am experimenting with two local DNS server. When I take down the second (or the primary) dns server, I can not resolve any domain name. Using host command or nslookup I get time out error : ...
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35 views

Wireless/DNS Problem

I have a weird wireless/DNS problem. I am using a ALFA Wireless adapter: AWUS036H. So the problem is this, every now and then the Wifi disconnects and reconnects. When it is able to reconnect ...
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320 views

getting openconnect vpn to work through network-manager

this is the same issue as here: Getting openconnect vpn to work through gui , but my additions to it were deleted and i was asked to create a new question. in fact, there are a number of folks asking ...
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0answers
64 views

Connect to network - network is unreachable

Although I am able to browse the net just fine I keep getting network unreachable when I run a download using my Java program. It was working fine till yesterday but now it is suddenly giving me ...
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0answers
20 views

dns bind reverse lookup failed in webbrowser

I am in a local lan my server is acting as dns & web server. I am installed the bind in that server and set the primary dns to 127.0.0.1. Everything worked fine. "nslookup group.hom" command ...
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1answer
41 views

Why is the content of /run/resolvconf/interface/NetworkManager changed every time I reboot?

I have some issue with my dns configuration, so I googled and picked up a solution by 1) editing /run/resolvconf/interface/NetworkManager and 2) running sudo resolvconf -u. This helped a little ...
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1answer
27 views

I have no SOA how to edit the db.domain file

I am in a private network having 192.168.1.0/24 . I have a wireless router, i am providing wifi hotspot to my users with wireless router and i have 100 users in the network. I want to provide name to ...
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0answers
14 views

how to provide dns name service to web server in a LAN

I am running a web server in a local are network managing 200 members. I want to provide a name to my web server's ip. I searched alot and find a tool dnsmasq i don't know how to set this to provide ...
0
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1answer
35 views

Problems on Kubuntu machine connecting to some sites after AT&T uverse upgrade

I recently had the U-verse service upgraded, and noticed that Facebook and youtube, and sometimes Yahoo have problems loading and displaying content. I am running Kubuntu 14.04 LTS, and using the ...
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69 views

using ddclient with namecheap dns service doesn't update IP

I have just set up my first ever home server. I created root, made the IP static on my local network, installed openssh, and can now ssh into the computer as long as i am connected to my homes router. ...
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0answers
56 views

How to setup Samba to register with an Active Directory Domain Controller?

I am trying to setup an Ubuntu 14.04 server on a windows network. The server has a static IP address assigned to it. I need to be able to register the hostname (argo) of the server with AD domain ...
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1answer
124 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 ...
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31 views

Why is Ubuntu resolving non-existent names to a local machine?

The domain www.hjhhfuddsa.com does not exist. However, if I browse to it in any web browser running under my Ubuntu 14.04 machine, I see the configuration page for an old NAS enclosure at ...
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1answer
67 views

How does DNS resolution work without any nameserver entries in resolv.conf?

I have a query on the purpose of the resolv.conf file. If I delete the name server entry from the /etc/resolv.conf file, my browser still able to do the DNS query. As far as I know, any URL is first ...
2
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2answers
124 views

Why is my /etc/hosts file not queried when nslookup tries to resolve an address?

I have a couple of local domains resolved to 127.0.0.1 in my /etc/hosts file. And it was all alright for a period of time but now when I run: nslookup test.local It results in: Server: ...
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51 views

dns finished no internet

Hello i just recently moved from windows 8 to ubuntu ,It happens that randomly it cannot connect to the internet, appears this message: dns finished no internet, Check your Internet connection Check ...
2
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0answers
45 views

error insserv with script

I try to install Unbound with the following website: http://www.unix-tutorials.com/go.php?id=3681 I copied the script : #!/bin/sh # # unbound This shell script takes care of starting and ...
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0answers
11 views

Chrome not accessing the proper host after updating mydomain.com

I just went to my domain provider and I changed the A-record of mydomain.com. When I do ping mydomain.com I see it is accessing the proper IP address, but when I try to connect with Chrome or ...
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0answers
40 views

Redirect all traffic except DNS

I successfully setup Ubuntu server up & running. Server configuration: tun0 192.168.99.1/24 NAT Enabled Note that client able to communicate with server. ping 192.168.99.1 Now I stuck at ...
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1answer
38 views

DNS configured in network manager but not working

I have 2 DNS configured in network manager for my connection (Selected DHCP Addresses only). The DNS are working good if used with nslookup. /run/resolvconf/resolv.conf # Dynamic resolv.conf(5) ...
8
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3answers
291 views

Difference between Software Selection Servers

I am installing Ubuntu Server, and I want to know what is the difference between these: [ ] OpenSSH server [ ] DNS server [ ] LAMP server [ ] Mail server [ ] PostgreSQL server [ ] Print server [ ] ...
2
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2answers
121 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 ...
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2answers
83 views

Dynamic IP with static DNS

Getting a dhcp'd IP ok, but DNS is not resolving. 2 part question: using nmcli how can I see what DNS server's I am using? where do I go to configure a STATIC DNS server for a wireless interface ...
1
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1answer
34 views

Internet wired connection holds only few seconds/few requests before needing to call dhclient again

I have a dual boot ubuntu/windows 8, everything was working fine, suddently, after a reboot from the linux partition, the DNS resolution seems to be in trouble : I have to run dhclient before each ...
0
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19 views

Make Ubuntu set custom DNS for new connections by default

I am using custom DNS servers. For each new connection I have to add custom DNS servers manually. Is there a way for all new networks to have different DNS servers automatically?
1
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0answers
62 views

dns problem in guest after host connection to vpn

I configured linux guest in kvm runing on ubuntu14.04 host. It runs without any problem and has no issues with DNS. After connecting host to VPN (OpenVPN), guest is not resolving anything from DNS ...
6
votes
1answer
3k 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 ...
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2answers
314 views

My wireless has intermittent DNS errors, how do I restart network-manager in 15.04?

My wireless is a bit buggy on Ubuntu, every now and then the DNS will cut out for no reason, and I'll need to run sudo restart network-manager to actually fix it. However I just upgraded to 15.04, ...
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0answers
52 views

Some pages not loading with Ubuntu 14.04 LTS and Firefox

When I use a search engine, or type an address into the address bar about half of the time I get the fail page, "Unable to connect..." If I click a link from a search page, same thing. If I try to ...
0
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0answers
100 views

resolver fails because of no recursion enabled on DNS server and AAAA returned?

Kubuntu (Ubuntu 14.04.2 LTS, kernel 3.13.0-48-generic) installed 2 months ago (not installed yet newest updates). I have noticed that my resolver is failing: root@arrakis:~# telnet onet.pl telnet: ...
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0answers
44 views

Bind fails with short domain name

I'm having troubles getting Bind to work with a two character long domain name. Is this a known issue? I haven't found anything related to this anywhere. I have about 50 domains up and running in my ...
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0answers
21 views

Cant send local mail by client

So I setup a DNS and Mail server, It works fine when I use the local account to send mail to each others, I use "telnet localhost smtp" to send mail or I use Thunderbird to send mail. My mail server's ...
0
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0answers
27 views

Need to host 30 domains, but Bind9 config info is confusing

Bringing up a new server using ubuntu 15.04, Bind9 and Apache 2.4 that needs to host 30 web sites - each with own domain name. Have configured Apache virtual hosts and all seem correct, but Bind must ...
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2answers
27 views

Configure client-side DNS?

I have a network with 2 machines. machine A has IP 192.168.1.100 , machine B has IP 192.168.1.101. Now i want to resolve machine B IP address to test. I don't want to pass through a dns server. ...
0
votes
0answers
56 views

Wired network working but apps cannot see the DNS

I have a working network connection but none of the applications can see the Internet. Thunderbird, Ubuntu software center, chrome etc cannot connect. So I have to use microsoft windows to connect ...
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0answers
40 views

No DNS in remastered Ubuntu

I remastered a (x)ubuntu 14.04 ISO. Manually. Everthing works fine, exept I have no DNS. Is this a known but and is there a solution?
2
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0answers
86 views

cat: /var/lib/misc/dnsmasq.leases: No such file or directory

I've searched all over the internet, but couldn't find any answers of my problem.. I want to connect my Raspberry Pi to my laptop. But whenever i try to check the ip address of my raspberry, i get ...
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1answer
36 views

Resolve domain names in QEMU VDE setup

I have re-built QEMU with VDE support. For the uninitiated, VDE attaches a virtual switch program (vde_switch) to a TAP device which allows multiple VDE-enabled programs to utilize a single TAP ...
0
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1answer
70 views

How to configure postfix to not relay to local virtual domain?

I have set up a SMTP server with iRedMail on Ubuntu 14.04 LTS and everything is working smoothly. I can create new users and send e-mails. My situation however is a bit more complicated: I need this ...
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0answers
22 views

Ubuntu many USB modem DNS issue

I noticed a bizzare issue when using 2 USB modem with my UBUNTU 14.04 LTS. So, I have 2 mobile phones connected to my PC (2 USB 3G modem). When I connect and activate the first one (any one of ...
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0answers
20 views

Bind9 stops resolving

I've set up bind9 as forwarder in my VPS, but for some reason bind stops resolving every now and then. I have to do 'service bind9 restart' to get it working again. Only configuration I've done for ...