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

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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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986 views

Error code: ERR_NAME_RESOLUTION_FAILED

I get the error code: ERR_NAME_RESOLUTION_FAILED whenever I try to go to http://reddit.com on my computer. So far I have tried: setting my static DNS server to 8.8.8.8 and 8.8.4.4. executing netsh ...
3
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88 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 ...
3
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437 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 ...
3
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2k 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 ...
3
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0answers
3k 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, ...
3
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770 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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957 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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328 views

Replace or disable OS X dns cache?

I'm having trouble with OS X's dns cacher and I'm wondering if it's possible to simply disable it or replace it with a better / more configurable program? I don't suppose it's as easy as deleting an ...
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148 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 ...
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10 views

Is google blocking domains that are mapped to cloud front?

I would appreciate some help with my problem: I did 2 experiments, in the first I took a brand new domain, no traffic has ever run on that domain, and mapped it to my amazon cloud front account. then ...
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71 views

Windows 7 DNS not working

displaydns fails Best way to describe the problem is that ipconfig /displaydns reports: Could not display the DNS Resolver Cache. But DNS client is running Reading forums, the most probable ...
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51 views

I have a web server, and a local server. I want to host gitlab on my local server, and access it through a subdomain on the domain I own

How do I go about doing this? I don't need to know about the networking aspect as far as my home is concerned, but I'm not familiar with DNS settings, and I've really never messed with advanced ...
2
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0answers
41 views

DNS options windows 7 aren't saved?

I'm trying to use a free DNS (such as Google's: 8.8.8.8 / 8.8.4.4) by typing this in thoses options: But when I click on "validate settings upon exit" and "ok", the network diagnostic tool from ...
2
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67 views

*.org domain websites are not loading

The problem is that any page with *.org domain in not loading on my computer (Ubuntu 14.04). Any other domains like *.com, *.net are loading! This is very strange. I tried in different browsers, and ...
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0answers
94 views

Able to receive, but not send email over SMTP from VPS. I don't think I'm being blacklisted

The error I get is "421 Downstream server error" or something similar. Up until a few days ago I could send mail without any trouble. I've searched around, and most other people with this problem end ...
2
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0answers
367 views

Error message while connecting to EC2 instance via Cygwin

I am trying to connect my EC2 instance using the directions my instructor provided below: "To connect to EC2 via Cygwin on Windows, you need to handle two key idiosyncrasies. First, the Windows ...
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72 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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33 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 ...
2
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144 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 ...
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501 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 ...
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0answers
67 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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0answers
666 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 ...
2
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0answers
2k 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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415 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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139 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 ...
2
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0answers
620 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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358 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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16 views

Segment Airport-based Home Network

I would like to segment my network up so that I can better lock down my kids as they are getting to the ages where I'll need to get them a computer. I would prefer to use OpenDNS's filtering services ...
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43 views

Acrylic DNS Proxy not resolving

So I recently had an update issue where I landed up downgrading to Windows 8. As I need to do my work, I have re-installed my XAMPP server as well as Acrylic DNS Proxy. Unfortunately, Acrylic is not ...
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33 views

System-wide DNS lookups over SSH tunnel

IT has the lab locked down so I cant do apt-get updates or install any packages on the Ubuntu machine. We have a Windows RDP desktop that has limited internet access. I have an SSH server running on ...
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193 views

cannot access network shares on domain - export all network settings in windows 7 for troubleshooting

I am on a domain computer running Windows 7 Enterprise. I am having trouble accessing network drives and network shares (including network printers). I am able to access the internet fine. I have ...
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19 views

Linux Name Resolution-Samba or Bind

I'm trying to make sure that all my PC's(with any OS) & mobile devices can see my Linux computer's name(x100 for example). Is using Samba the best option for this? Or if I install a DNS Server ...
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0answers
23 views

Change HTTP/S ports in OS X Server?

I am setting up OS X Server on a local computer (for managing a few devices.) I contacted my ISP to allow me to set up port forwarding, and they said that incoming ports 80 and 443 are disabled. Which ...
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0answers
109 views

Internet Connection Sharing with Wireless Hosted Network (WHN) is not providing a DNS server for WHN clients

On Windows 8, I'm using a wireless hosted network with ICS. I have one interface connected to internet, and my WiFi interface as a wireless access point. The interface that is connected to internet is ...
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69 views

Using OpenWRT as DNS server

Trying to use OpenWRT as a DNS server for local names. i have set my adsl router up as dhcp server and using the OpenWRT router as the primary dns server with google (8.8.8.8) as the secondary DNS ...
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39 views

Override DNS order when conencted to a VPN?

I'm having some issues with DNS when I connect to my VPN from my Mac. When not connected, scutil --dns (the DNS lookup table) returns: resolver #1 nameserver[0] : 10.0.1.1 flags : Request A ...
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67 views

Vigor router not passing netbios request

A client has decided to change ISP. The new provider has supplied a Vigor 2830 which I am failing to configure correctly to replace the existing router (Thomson 585). A Dell 2800 running Ubuntu 14 is ...
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717 views

Why does nslookup give me NXDOMAIN in this case?

I'm configuring a DNS in Fedora. I have the zone file: $TTL 86400 $ORIGIN example.com. @ IN SOA ns.example.com. root.example.com( 2013121201 ;Serial 28800 ;Refresh 15 ...
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69 views

Mac OS 10.10 ignoring Openvpn DNS settings

Running Mac OS 10.10. Setup a openvpn connection and put the DNS servers to be used with the VPN connection under VPN Profile->Advanced->DNS. When I connect, it only uses the the DNS server pulled ...
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0answers
35 views

No internet connection, Win7, DNS DOES resolve

I just installed a fresh new copy of Win 7 64-bit. My ipconfig says that my dns do resolve, and everything looks as it should. Device Manager tells me that my network drivers are fine, and working as ...
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36 views

DNS: CNAME entry breaks mail

We have a www.website.com on which www is CNAME to another website (third party service). However, when I ask the hosting company to forward website.com—without www—to the 3rd party web service, they ...
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0answers
55 views

How can I connect to UNC path on an external server in Windows Explorer?

I am using Windows Explorer and would like to connect to a certain IP address. After that, I want to connect to a different IP address through the server. Ex: A -> B -> C A is my current computer. B ...
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0answers
191 views

What is wrong with my Dynamic DNS settings?

I host my own website on a home iMac. The website is accessible from its local and remote IP addresses, but recently, the hostname stopped working because the DNS stopped updating. I have been ...
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124 views

CNAME and MX records on naked domain

I have a domain (registered with Daily.co.uk) that for quite a while was set up with a CNAME pointed to my friend's webserver which uses dynamic DNS to resolve to his IP, in addition to MX records ...
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0answers
36 views

Static routes in ISC DHCP

I have an Ubuntu 14.04 server at home running bind and ISC DHCP. Bind is caching from unblock-us.com so that I can get access to US Netflix content. This all works fine. I'm running into trouble ...
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0answers
20 views

DNSSEC- Client software

I'm interested in running DNSSEC, not sure how this works. Does DNSSEC need to be supported both on the client and server. I currently have DNSSEC on my domain hosting site and the VPS server but if ...
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0answers
58 views

Strange Local DNS issue involving Comcast, not a Comcast User

I have a network with 3 desktops (2 x Win7 x64, 1 x Win7 x32) connected via ethernet and 1 laptop (Win7 x64) connected via wireless most of the time using a Linksys WRT54GS. I have a desktop ...
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0answers
81 views

Multiple IIS server share same domain and port?

I have the following network/server setup: Since this is for a startup I'm working on with a friend using the resources we have, we use a DD-WRT router to redirect port 80 requests to a specific ...
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0answers
244 views

Why do I have to keep flushing my DNS cache on all devices?

I have a Netgear DSL modem (111 v2) and Linksys N300 router, newest model. I have to keep flushing my DNS cache every 5-15 minutes. This happens on all sites and on every device on my home network. ...