Translates domain names to IP addresses. DNS stands for Domain Name System.

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Two PCs through one WiFi bridge, cannot be on simultaneously

I recently purchased a TP-link WiFi extender, which I mostly use as a WiFi bridge for the wired devices in my bedroom since the other solutions I tried (such as homeplugs) simply weren't appropriate ...
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1answer
38 views

Loading a website using IP

As per my understanding DNS is used for resolving domain names into IP addresses. I am using Ubuntu. I did following. nslookup facebook.com gave me the IP of the website. I blocked DNS using firewall. ...
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1answer
37 views

Connection slow but speed fast when connected

I am experiencing an interesting type of slow connection buildup and would like to ask people more up to the topic on any ideas what could cause this and how to troubleshoot it. (On my background, I ...
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1answer
64 views

RDP and DNS issues when I start OpenVPN

Already searched a lot, also here, I have installed OpenVPN Server on Windows Server 2008 r2, it worked smoothly for a time, now when I start OpenVPN service it drops RDP and other services. I have a ...
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1answer
22 views

Setup different DNS for each SSID (dd-wrt)

I'd like to set up a different DNS for each SSID. As far as I've gotten is creating virtual SSID in the DDWRT GUI. What I should do next?
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0answers
16 views

Consul server is not elected leader, leads to non-functioning DNS

I made the IP-address explicit to which consul should bind, now the DNS is not working at all, meaning I get a response, but only [root@slave ~]# dig @127.0.0.1 -p 8600 ...
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28 views

Virtualbox Ubuntu - How to make VirtualBox use host's internet

Host: Windows7 Guest: Ubuntu via Virtualbox So I have a proxy on my host because it's a computer at work. However, based on the .pac file that IE has listed, I THINK it requires specific origins for ...
4
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1answer
3k views

Windows 8. Hosts file doesn't work

I am using Windows 8 developer preview (x64) for testing purposes. I want to access some local network resource by DNS. So, I've added next line to my hosts file (%sindir%/system32/drivers/etc/hosts): ...
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1answer
160 views

Setting more than one backup DNS server on windows

I want to add more than one backup DNS server (more than 2 total) on windows, but there doesn't seem to be a way to do this with the UI. Can I do it through the registry or powershell or something?
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3answers
277 views

Can flush DNS command resolve internet speeds?

Was assisting a user that had been downloading 8 movies from iTunes. Her speed was sitting at .06 mbps down with ethernet. Restart and power cycle got her up to 2.36 mbps down. 0% packet loss. I ...
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1answer
2k views

Windows unable to resolve hostnames

I have two Windows 7 machines on my home network that always give 'Unreachable' errors when I try to access any site. The other devices on the same network work fine (iPhone, iPad, Mac, Ubuntu) The ...
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1answer
25 views

Site displays with Curl but not within the browser

I've set up a dev-enviroment on Debian 7 and installed the following services: Apache Bind9 I have one site that is reachable through "asix.debian.local". I've set up the zone and added NS and A ...
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63 views

Airport Extreme Internet Dropping

I am using an Airport Extreme router in my house, and up until recently, it used to work great. However, as of late, my wireless internet connection has started dropping, and I was wondering if you ...
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3answers
8k views

Failover two IP addresses and one DNS record

My mail server has two WAN interfaces and I need to set up one DNS A record for my Exchange clients. In case of connection failure of one interface I wish to use the other interface, but how to set up ...
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6answers
21k views

How to find which DNS server I am using (of the multiple configured dns servers)

I have two dns servers configured, which are listed when viewing ipconfig /all I would like to know which of the two servers I am using at the current time i.e. from my browser or via the tracert ...
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1answer
82 views

Chrome ERR_NAME_NOT_RESOLVED after nameserver change

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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22 views

netgear DGN2200v3 - /etc/hosts is rebuilt on change/reboot, is there a way to persist changes?

I want to add my own local hostnames to the /etc/hosts file on my Netgear DGN2200v3 V1.1.00.24_1.00.24, so the names are available to any device on my local network. The netgear resolv.conf only has ...
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1answer
704 views

Setting up DNS on mobile broadband and/or setting a system wide DNS address?

I am using a Huawei E3131b 3G dongle to connect to internet. I'm having troubles setting up DNS servers that persist across reboots. Manually specified DNS servers are not used at all if I use the ...
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2answers
3k views

Domain name is not resolving (Can't find: No answer)

I'm having a domain yantdom.com It has valid whois information: Name Server: ns1.myownns.ru Name Server: ns2.myownns.ru And the nameserver it's stored on works fine: $nslookup ...
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1answer
51 views

Powershell DNS - how do i search a list of DNS Servers and then filter the results?

I am trying to search a list of specific DNS servers (i have in a file) and then query for a specific host name. I can do this bit :) The next bit is I wish to return a list of those DNS Servers ...
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4answers
395 views

Why mail clients do not use directly the SMTP server of recipient

Normally in a email client you need to configure an SMTP server to use to send mails. When you send a mail, your configured SMTP server simply resolve the domain after the @at in the email address of ...
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1answer
2k views

Aventail VPN connection doesn't work

I installed the Aventail VPN client on both the Mac and a Windows 7 machine, both on my home network. When I try to connect one or the other (I make sure one is disconnected before connecting through ...
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0answers
14 views

Email forwarding failing

I'm a bit at the end of my rope with this one, hopefully a server admin somewhere who deals with email has seen this sort of thing, I can't seem to find any answers anywhere. I have email forwarding ...
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3answers
4k views

I need to flush dns again and again to make the sites load

UPDATE JUNE 4, 2015:- My ISP provides a Wi-Max (wireless) device which receives the signals and sends it through LAN cable to my laptop. I've been using this device since last 5 years. Today, for a ...
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1answer
17 views

What qualifies a string to be considered an Internet suffix?

Generally, most people would consider compute-1.amazonaws.com to be the compute-1 subdomain on amazonaws.com But apparently that's not the case at all. According to the Public Suffix List, ...
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16answers
62k views

Why is 'ping' unable to resolve a name when 'nslookup' works fine?

On my Windows XP workstation, I can find the machine I want to connect to in DNS with nslookup: nslookup wolfman Server: dns.company.com Address: 192.168.1.38 Name: wolfman.company.com Address: ...
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11answers
4k views

Unable to use internet due to suspected DNS malware

I downloaded a midi file on my Windows 8.1 laptop last night. Since then, whenever I open chrome, I get a standard 'Web Page Not Available" error for ALL the sites I try to visit. Firefox and ...
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2answers
48 views

Requested URL not found on this server

This is a problem I am facing for the last 3 months. I have noticed that a few websites don't open in my laptop. It shows me a blank page with a message saying "NOT FOUND. REQUESTED URL WAS NOT FOUND ...
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0answers
23 views

Samba 4 AD: “samba-tool dns” commands do not work from dhcpd script

I've set up my RPi 2 as Samba 4 AD DC with these instructions - https://wiki.archlinux.org/index.php/Samba_4_Active_Directory_domain_controller That page contains script ...
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1answer
37 views

DNS , NS and Mail Server configuration for website hosted on Amazon EC2

I created amazon free micro instance on EC2. And hosted my website on that server. IP like - 52.24.220.140 Problem is that , my domain registrar is Directi.com and I don't have mail hosting also ...
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0answers
27 views

How do I alias a hostname in OSX?

My machine at my office is named really_long_host_name.my_company.com. I'm trying to set something up so that I can go to http://desktop and have it alias to that machine. I could do this easily in ...
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1answer
21 views

Troubleshooting network problems in Ubuntu Trusty Tahr

So I seem to have two problems. My first problem is that I can only intermittently ping my router from my Ubuntu Desktop (by IP address). Second, my Ubuntu Desktop intermittently fails to properly ...
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1answer
1k views

I sometimes get lag spikes causing ping times of 200 ms; might using different (e.g. Google's) DNS servers be better?

I live in the UK and I am a heavy gamer and I get lag spikes that take my ping to 200ms. Will using a third-party DNS Service, for example the one provided by Google, rather than those provided by my ...
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1answer
16 views

Networking - DNS services

It is a commonly used best practice to split an organization's DNS services, where some aspects of that service are hosted on the internal network or internetwork, and other aspects on at least one ...
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2answers
169 views

puzzling DNS behaviour (ubuntu)

(All IPs and names have been censored, hopefully) This morning we had some connectivity problems in one of our servers. It turns out that changing our connection configuration to be IP-based (not ...
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28 views

Cannot connect through TCP/IP protocol

The title is my inspection on the issue, it may not be the real issue. The issue is, my browsers cannot connect to any domains, such as google.com. Under IE 11, there is no error but just a plain ...
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1answer
3k views

Random redirection to adult sites of mobile.juicyads.com

Since two days ago, almost all of my clicks open new tab and redirect to this Adult-only URL: mobile.juicyads.com/service_redirect.php?p=64686&s=124309&u=http://www.google.com Parameters p ...
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12 views

Improve connection speed to SVN server

We have self-hosted SVN server which is in my city. When I try to access from home network using VPN, connection is very slow. Is there a way I can reduce route(request trip). Currently it's first ...
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10 views

subdomain Dyn DNS timeout, got ping but get browser timeout

For my Dyn DNS at dyn.com, I have one hostname "mra.dnsalias.net" that I created a while back, but did not have the wildcard checkbox specified, which would map "*.mra.dnsalias.net". The initial ...
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1answer
277 views

DNSCrypt not working - server certificate possibly expired

I have been using DNSCrypt for a few days (used this guide to install dominustemporis.com/2014/05/dnscrypt-on-windows-update/) and it has been working fine for a few days. Today I switched on my ...
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0answers
43 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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votes
1answer
66 views

DNS not functioning on command line

I recently did a combination of Vagrant + VirtualBox stuff on my machine to try to get a virtualized Ubuntu install working. However, I had no luck with it so I just uninstalled everything. Ever since ...
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0answers
186 views

Exchange 2003 & Godaddy Migration to Office 365

Here's a decent project I'm about to tackle, thought I'd double check with you folks. Here's the scenario... Existing AD DS with Exchange 2003. They decided to upgrade to Office 365 Exchange. ...
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1answer
53 views

Chrome & IE can't access local website, while Firefox can. How to debug?

1. Enviroment 1.1 Host machine Windows 8.1 Enterprise Chrome v42.0.2311.152 Firefox v38.0.1 IE v11.0.9600.17031 VirtialBox Vagrant 80 port forwarded to port 80 at guest machine at 192.168.56.101 ...
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3answers
36 views

How does virtualbox get the network configurations?

I am installing CentOS 7 on virtualbox. On "Network & Host Name" screen: When toggle the "OFF" to "ON", I can see the IP, DNS, netmask are all configured: I am curious about how does ...
8
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1answer
24k views

“Network is unreachable” when attempting to ping google, but internal addresses work

I can get to other PCs in my house on the 192 network, but trying to go outside gives me the "network is unreachable" message. p3p1 is up with a good IP Address. Running Fedora 16. What should I ...
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0answers
24 views

How additional IPs are added to hosting [duplicate]

Hi i have centos server with 1 ip address. I bought 2 more ip address from same server company, and i added them in ifcfg-eth0:0 and ifcfg-eth0:1 in my server. When i ping within my server using SSH, ...
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1answer
46 views

2 Routers 2 ISPs 1 DNS, Hiding DNS requests

Firstly I am going to explain my network topology. I've got 2 routers serving separate ISPs and they are connected to each other via LAN and each one has its own dynamic IP and DNS by the ISP, my ...
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0answers
40 views

Windows can't communicate with the device or resource [duplicate]

I have this problem in troubleshoot "Windows can't communicate with the device or resource (primary DNS server)" . My router is using a opendns server IP and I don't want default DNS server use ...
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3answers
185 views

Wifi stops working every 10 minutes on Mac OS X Yosemite [SOLVED]

Every 10-15 minutes, my internet connection fails in the following manner: Cannot load websites Cannot connect to Dropbox Cannot connect to IRC Skype still works Slack still works Still able to ...