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

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2k views

nslookup returns the right IP, ping still goes to the wrong ip

Ok, so here's the setup. Laptop is connected to our company VPN (Juniper Network Connect 7.2.0). There are two DNS Search suffix's (domain1.com, domain2.local). From that laptop, while connected, ...
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544 views

Is there a way to enable/disable IPv6 without restarting Chrome?

chrome://net-internals/dns#dns has a button which allows us to enable IPv6 for Host resolver: This is how it looks like after clicking Enable IPv6: How do I revert to the previous state without ...
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667 views

Local hostname fails to resolve only in browsers

I am having an issue on Windows Server 2008. Basically the problem is that whenever my local hostname is used in a browser it fails to resolve. As far as I can tell the name is correctly set, I can ...
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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): ...
3
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121 views

“dnsbackend unable to load module” error when configuring PowerDNS for Windows XP

I am in need of an easy to setup and free DNS server for Windows XP. I tried PowerDNS but am not able to use the bind back-end: When I put the following in the config file launch=bind I get error ...
2
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30 views

DNS tunneling through an SSH connection looses connectivity

In the article 'UDP traffic through SSH tunnel', it is described how to tunnel DNS trough a SSH tunnel: client# ssh -N -L 6667:localhost:6667 user@server server# mkfifo /tmp/fifo server# nc -k -l ...
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179 views

Why do I have to keep flushing my DNS cache?

Several times a day, my Internet connection stops working on my Windows 8 computer (it's not the network, other computers on the network work fine). It happens on all of my Windows 8 computers ...
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49 views

what is a scoped dns query?

In MAC OS X (Mavericks) i see multiple resolvers and i dont understand the difference between scoped and non-scoped dns query resolver as displayed below. $ scutil --dns DNS configuration resolver ...
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107 views

VPN DNS Configuration bug in OS X

I am using TunnelBlick to connect to an VPN (OpenVPN) with OS X 10.9.2. I can authenticate and pass traffic but the DNS entries injected from the VPN do not work. Here is the output of scutil --dns ...
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886 views

ERR_NAME_NOT_RESOLVED in Chrome on a single site

Our internet connection at the office went down for a bit yesterday, and now Chrome can't find youtube.com. I get the ERR_NAME_NOT_RESOLVED error, even though the site loads perfectly fine in other ...
2
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61 views

ubuntu 11.04 DNS issues

I'm experiencing some issues involving my Ubuntu Server. So far, I can connect to machines on my local network, but the server itself doesn't have internet. And since the each machine is routed ...
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31 views

Try two different domains for an exchange server in OSX

Our mail server is accessible through domain1 on LAN and domain2 from outside. Is it possible to round-robin a CNAME in OSX? Any other way to solve this (other than multiple Office identities, which ...
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102 views

Windows Server 2008 R2 cannot change DNS Domain Context on some machines

So I have a small Windows Server 2008 R2 network consisting of a domain controller, a file server, SQL server, etc. All machines are joined to a windows domain (CPUSHIELD.COM) and show up in Active ...
2
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309 views

Windows 7 Home Premium Ignoring DNS Suffix seach list

I am using Cisco AnyConnect to connect to my work network for a work from home situation. The connection is fine, however I am having a DNS problem. My work DNS has various suffixes, but for some ...
2
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62 views

How to troubleshoot network connection issue when a single website won't load?

I have a router which runs fine for all websites except for one in particular, that one website works sort of, it loads but no images show and the CSS sometimes doesn't load. I have already tried ...
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373 views

Performing DNS Queries via Javascript from Chrome App

Goal: Create a Chrome app/extension to determine value of DNS requests in local value (i.e., determine what A and CName records a local machine or its delegated resolver is returning when Chrome ...
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1k views

Setting Windows to resolve all hostnames via DNS when not connected to a Domain Controller?

The enviroment is a private network with a single router using DD-WRT's dnsmasq to resolve names and do caching. Resolving hosts via DNS works fine: dig +short @192.168.1.1 gamma 192.168.1.22 Now, ...
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303 views

Subdomain redirects to main domain

I'm currently working on a site which uses a subdomain. The subdomain works fine for everybody, every device and every browser I've ever tried, except for Firefox on my computer. My computer is a dual ...
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78 views

Junk mail criteria used by Exchange and/or Outlook

Is there any documentation, official or unofficial, about how email ends up in the junk folder? Emails from a domain that I am hosting ends up in my junk folder, and presumably in everybody else's ...
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587 views

Hacker News mysteriously blocked on my Mac OS X Lion

When I try to access http://news.ycombinator.com on my computer, I get 502 proxy error: Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not ...
2
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329 views

Using dnsmasq on OS X when not connected to the Internet

I'm routing dns requests through dnsmasq so that domains I'm using for local development point to 127.0.0.1. This works great when I'm connected to the Internet via Wi-Fi or ethernet, but I start to ...
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684 views

Zyxel router custom DNS names or storing configuration to survive reboots

On my Zyxel P-870HN-51b - although I reckon the same solution may then also apply to other router models - I would like to add custom host and domain names local to my network. I.e. I don't want to ...
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11 views

White label Nameservers (RDNS): IP and BIND Syntax Questions

Some questions regarding setting a RDNS on a DNS cluster using BIND/WHM/cPanel + WHM DNS Only. Objective Setting up a DNS Cluster of: East US | Xen | CentOS 6.5 | with WHM/cPanel VPS | 2 IPv4 | ...
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23 views

DNS Server won't work! [Bind 9 on Debian 7; Virtualized CT through Proxmox]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
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15 views

DNS resolution for some domains fail but dig +tcp works

On my home internet connection, I'm able to resolve most domains but none of the sub-domains of cloudfront.net resolve. $ dig @8.8.8.8 resolver-identity.cloudfront.net ; <<>> DiG ...
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24 views

How to setup communication between virtual machines

Probably my issue is not hard to resolve but I got a stuck. I have several LXC containers. One of them has MySQL, RabbitMQ, MongoDB (and several other services) installed and configured. Every other ...
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37 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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53 views

Google products and services not loading at all

This started suddenly. Basically i was watching videos on youtube, and suddenly it stopped loading. After a few refresh attempts, it started saying Firefox cannot find the server at ..... Then I tried ...
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69 views

Windows 7 not using VPN DNS Server

I'm connecting to my company VPN using OpenVPN. My VPN network is 192.168.32.x and it resolves to the company network which uses 10.0.x.x. My home network users 192.168.1.x. When I connect, Open ...
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34 views

Create a DNS record for second level domain from within a third level subdomain

I have an AD domain "company.example.com" with a couple of servers inside, a DC "dc.company.example.com" hosting an AD-integrated DNS zone. There is also a "example.com" public domain, with ...
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23 views

Setting up local DNS connected to a dynamic DNS service like NoIP

I've been trying to set this up for a while now and I'm just not sure what to do at all. I was following this tutorial here on setting up your own DNS server ...
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31 views

Domain name of a computer in multiple subnetwork

+–––––––––––+ +–––––––+SOHO router| | +–––+–––––+–+ +–––+––––+ | | +–––+ |Internet| | +–––––+PCs| +–––+––––+ | ...
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21 views

How to include all dns records and IP address of a server in automatic certificate enrollment of Microsoft AD CS?

In my company there are a lot of servers which users remotely login to them to do their duties. We have enabled computer certificate auto enrollment for them to assure secure connection. But because ...
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32 views

rsyslog block by dns

rsyslog version is 5.8.6 The rsyslog client send message to remote server by udp, the remote server is used by domain, when the domian can't resolv and timeout, the rsyslog will be blocked. I add ...
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63 views

Change scutil HostName to ComputerName on osx

I have about 100 users with Mac Books on which I have admin access. I have set up a dnsmasq DNS-Server on a Linux box that has the Domain "schoolnet". Now I have the problem, that all Mac Books have a ...
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109 views

Microsoft PPTP VPN Server DNS Issues

When I connect to my VPN server, which is hosted on a Windows 7 computer, from my Android tablet, the server acts normally but the DNS seems broken since I can access 74.125.224.72 but not Google.com. ...
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62 views

Set port for DNS on OS X

I'm using OS X 10.9.1 and I want my DNS lookups to happen on port 54 instead of 53. First I looked here but the file states: This file is not used by the host name and address resolution or the DNS ...
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25 views

Can I use dynamic DNS with a Static DNS Entry also on OSX?

I run a local DNS server for development so I can wildcard host names to my virtual machine. This requires a static DNS entry. This kicks out the dynamic DNS. I have added the Google DNS entry for ...
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261 views

Redirecting IP (8.8.8.8 to ISP's dns) using netgear router with busybox

Here's the high level version of my problem: I have a chromecast and my ISP blocks all DNS traffic that's not theirs. I want to redirect 8.8.8.8 and 8.8.4.4 to my ISP's DNS. Information: Router ...
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66 views

DNS issue with domain, NS are not recognized / working

So I have the teothemes.com domain. I recently moved it to another server. I defined the nameservers at the godaddy interface like this: And then just changed the nameservers of the domain to ...
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0answers
890 views

Cisco AnyConnect vpn stops internet connection in Windows 8

I have a VPN set up through Cisco AnyConnect 3.1.04072 on a Windows 8 laptop. I can connect to the vpn, but as soon as I do, all internet traffic stops. I've been researching for days now and I ...
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0answers
100 views

Host not resolving, ping is

I have two network cards on my Mac OS X. One for my corporate, the other one is my wlan. For all internal stuff, the corporate one should be used. I configured following: route add -net 10.0.0.0/8 ...
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260 views

How to find the last IP used for an expired domain name?

Is it possible to look up the last IP address of an expired domain name?
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0answers
61 views

SSL certificate for CNAME record

I have the CNAME record images.bob.com, which points to the images.susan.co.uk (images.bob.com. 1800 IN CNAME images.susan.co.uk.). I would like to ask for issuing SSL certificate for the ...
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0answers
25 views

Is it possible to resolve a domain name from the browser history?

If an entry is removed from the DNS. Is it possible to retrieve its IP from a browser history? Is it possible to extract from the history all the different addresses I've been redirected to every time ...
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17 views

Setting up domain email — the process of actually registering the email addresses

I own my own domain. However, the company I registered the domain with will not allow me to register any email addresses without paying for their web hosting plan -- which I don't want or need as I ...
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67 views

My nameserver isn't registered?

My problem is that I am trying to set my domain's nameservers to the nameservers of my dedicated server. My domain is hosted by Namecheap, and everytime I try to input the two nameservers for my ...
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0answers
314 views

Can't enable my local area connection in Windows 7

This problem is really pissing me of the past couple of days. It started a couple a days ago, when my internet suddenly was gone. So I went searching on the internet to look for some answers. I've ...
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0answers
118 views

why sometimes windows can't find my VM

This is a very weird problem -- I am able to find my VM normally, but there are times when I can't find my VM in my company network, which is Windows based. Below is what the symptoms. I.e., ping ...
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0answers
388 views

DNS on Synology Diskstation with Comcast

I was fortunate to find out that our Diskstation DS1511+ as the ability to host web sites and I am trying to get it setup as a development environment. So far I am able to have a domain forward to ...