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

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6
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2answers
545 views

How can I store DNS cache in case the DNS server goes down?

I'm using OpenDNS's DNS servers. Today, it went down for half an hour. I'm wondering if I can store a cached copy of the DNS records of the websites that I visit often. Google Chrome does this ...
4
votes
1answer
2k views

Access a Mac via hostname.local from a Windows PC

I'm the only Windows user at my workplace full of Macs. Of course, being the only person with a different setup, I'm often left to do my own IT troubleshooting. The issue I have is that everyone's ...
4
votes
2answers
3k views

DNS resolution Issue nslookup works, but web/ping doesn't

I've got a computer having DNS problems with one address only, "microsoftonline.com". Ping doesnt resolve IP but nslookup does correctly. It works from other machines. It is WinXP with no proxies I ...
4
votes
6answers
4k views

DNS responding only to nslookup in Windows 7

I have an interesting DNS issue in AD (2008R2) which I can't find a way to debug. Mainly if from commandline I try ping <machinename> then I get the reply that the hostr isn't found. But when I ...
4
votes
4answers
8k views

Problem with Macbook air automatically not acquiring free wifi network dns or router address

I have this problem when my macbook air sometimes does not connect to free wifi hotspots. When the problem happens and I try to run the diagnostics, it normally gets to yellow network settings tab. It ...
3
votes
0answers
21k 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 ...
3
votes
1answer
696 views

Windows 8 Chrome DNS issue

Sometimes when I want to visit random site I get "The server at www.something.here can't be found, because the DNS lookup failed" which looks pretty standard. When I go to ...
3
votes
1answer
324 views

How exactly does DNS work?

I'm learning pentesting from books. So far I thought I know about DNS but now I'm completely lost and confused. well, I know what happens when you enter domain name in your browser: Say, I've ...
3
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0answers
140 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 ...
3
votes
7answers
39k views

No internet through a web browser but Skype still works

We get our office broadband through a BT Business Broadband WiFi router. We have a mixture of macs and windows PC/laptops connecting to it at any one time. All devices are able to connect to the ...
3
votes
4answers
8k views

DNS lookup fails but nslookup works

I have DNS lookup problems on my internal network. I'm using an internal DNS server with the IP 192.168.1.254. If I use nslookup everything works like it should: >hawk:~ user$ nslookup ...
2
votes
1answer
145 views

How to make Opera browser obey the etc/hosts file?

Current version of Opera browser doesn't obey etc/hosts file for domains outside the local network. It looks to me like it is using its own DNS resolver. For example if I create the following ...
2
votes
2answers
2k views

no internet while downloading torrents - seems dns related

I have a very peculiar problem regarding the internet connection while downloading torrents. Before you conclude that I should "reduce the # of half-open & user connections", let me say I have ...
2
votes
1answer
167 views

How do amazon EC2 instant's random DNS entry gets resolved

I am new to EC2 and please help me in understanding this better. When I created an EC2 instance it immediately got a name ec2-67-201-11-147.compute-1.amazonaws.com and I could dig them immediately. ...
2
votes
1answer
188 views

Malicious program changing my DNSs

Some weeks ago I started having problems with my internet connection, it was extremely slow and suddently some websites (specifically gmail, facebook, youtube and twitter) started failing to connect, ...
2
votes
3answers
888 views

ad blocking host file, shared to all computers on local network

I currently update my local hosts file with advertising server domain names and direct them to nowhere. Well, almost nowhere. I point them to 127.0.0.1 and I don't have a web service running so it is ...
2
votes
2answers
813 views

Create a local DNS TLD for development

I do a lot of web dev, mainly RoR and PHP, I've got a VMs which holds my dev environments and handling multiple clients on them is a pain. With PHP you just create a subdir, but with RoR it's a little ...
2
votes
1answer
672 views

PHP/cURL/Fedora issues resolving hostname possibly a DNS problem?

I have the following simple test script for cURL/php on a FC12/apache server that has PHP 5.3.2, cURL v7.19.7 (according to phpinfo()): $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, ...
2
votes
1answer
2k views

Where did this incorrect cached DNS lookup come from?

Somehow, I've been having a chronic issue where my computer will get an invalid DNS lookup in its cache for either of the two Exchange servers I use from Mail.app. My workplace runs one of the ...
2
votes
2answers
378 views

Connect to host by name using a Linksys wrt54g as my router and dhcp server

I have a Linksys WRT54G router at my house. How do I enable/perform connect-by-name on my network (like "kitchen" and "musicbox") on Windows XP, Linux (Ubuntu and CentOS), and Mac clients? Sometimes ...
2
votes
5answers
6k views

Bypassing Router's DNS Settings

Is there a way to bypass my ISP provided CPE/router's DNS settings? I'd like to use OpenDNS but I am unable to access the administrator acount of the CPE. I tried logging in using the default ...
1
vote
0answers
19 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 ...
1
vote
1answer
167 views

For my own DNS server, “dig … @ip-address” works, but “dig … @domainname” does not

I've recently begun virtualizing servers - one of which is a DNS server running BIND 9 on Debian 7. My DHCP server correctly issues it as the primary DNS for the network, but I get the following ...
1
vote
3answers
591 views

Easy way to view a website at a different IP than associated with hostname?

Some background — WordPress is really annoying in terms of what hostname you access it from, which makes creating testing environments rather painful (That is, I could create a subdomain for staging, ...
1
vote
2answers
1k views

In OS X, how can I prepend 127.0.0.1 to the list of DNS servers obtained through DHCP?

I am trying to use dnsmasq to resolve certain known domains using its configuration, but let the rest of the requests go through to the normal DNS server assigned by DHCP. I cannot get this to work. ...
1
vote
1answer
470 views

Chromecast, Unblock-Us and Edimax BR-6478AC router

It seems that Google has hard coded the Google DNS into the Chromecast, thus making it pretty much useless for anyone outside the U.S. who wants to use it for Netflix and Hulu. I have the above ...
1
vote
1answer
875 views

Ping to dnsmasq's host resolvesto 127.0.0.1

I've just set up dnsmasq in my home lan for the first time. I got it as DHCP and DNS. Something strange is that when I ping DEV01 (which has dnsmasq) it resolves to 127.0.0.1 and I don't know why it ...
1
vote
4answers
4k views

Disable access to TCP/IP and DNS Network Settings on Windows 7

here's my question: i have a desktop pc Windows 7 powered with two accounts with administrative rights. One of those is used by my brother. I study abroad so i need to be able to connect to my ...
1
vote
1answer
2k views

DD-WRT DNS lookup failure

I'm trying to configure a new router (a Linksys WRT160Nv3) with DD-WRT. It seems that no matter what the settings, DNS lookups fail. I can't ping anything outside my network (I get an unknown host ...
1
vote
1answer
299 views

DNS: Forward domain to another host

I was hoping some expert on here could quickly answer my question. I don't know much about DNS, so bare with me. I have a domain that is hosted with XO Communications. I want to host that domain at ...
1
vote
3answers
6k views

How can I redirect a subdomain to an internal IP?

I have a FQDN let's say abc.com. with only one external IP and I use zoneedit.com ns servers. I have configured www as a CNAME of abc.com. The web server is setup with IIS on local computer. What I ...
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vote
1answer
1k views

Is there a way to specify more than two DNS servers?

In my "Local Area Connection Properties", under IP Version 4, I can specify an IP address (or get one automatically) and specify a preferred and alternate DNS server. Is there any way to set more ...
1
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0answers
45 views

Cannot Access Website First Time Through Router And Later It Seems To Forget Routing Table [duplicate]

Possible Duplicate: Cannot Resolve Host Or Access Website Through Router Would be helpful to those who are willing to help with this one. I evaluated the problem and it is for computer ...
1
vote
2answers
144 views

Propagating Names for non-machine IP addresses in a home network

I have added two IP addresses in the network config of one of my PCs, and I'm using those IP addresses to host separate sites in IIS: I can browse those sites from around my network no problem by IP ...
1
vote
2answers
364 views

Bizarre DNS Issue

I've been having an intermittent issue recently on my MacBook Pro: every so often, I'll start getting bad DNS results. For example: I type in facebook.com, and another website loads up instead of ...
1
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3answers
2k views

Switching between DNS addresses easily

Sometimes I need to use preferred and alternate DNS server addresses, and sometimes I need Windows to obtain it automatically. The common approach to switch between those addresses is: Right click ...
0
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0answers
73 views

Apache Virtual Host loads slowly on Chrome and Firefox, not at all on Safari

I originally wrote a post here, which I now know is down to Safari/browsers or something. Basically, my Virtual Host, 5lines.dev, which is a WordPress Multisite, loads really slowly on Chrome and ...
0
votes
2answers
220 views

dnsmasq not working to point .local addresses to 127.0.0.1

I'd like to get .local addresses (such as test.local) to point to 127.0.0.1 but it isn't working. I'm on latest Ubuntu. In /etc/NetworkManager/NetworkManager.conf I commented out dns=dnsmasq then did ...
0
votes
5answers
194 views

Mysql resolving 127.0.0.1 to hostname

I'm trying to connect to mysql using the command mysql -h 127.0.0.1 It comes up with the error ERROR 1045 (28000): Access denied for user 'root'@'mydomain.com' (using password: NO) Why is ...
0
votes
2answers
30 views

How to connect a domain name to a host?

I have register a domain on internet like domain.com. I have a server on internet which have installed bind9 service on it. I have enter my name server on DNS tools on my provider domain name manager ...
0
votes
1answer
126 views

Block a Subdomain in Windows Firewall

Gamespy is ceasing its Master Server support for many games at the end of May, including Crysis 1, Wars, and 2. I have worked with Crysis 1 and Crysis Wars for a very long time, and now the entire ...
0
votes
0answers
29 views

Modem not assigning DNS

I have a ZyXEL P-870H-51A V2 VDSL2 modem. Currently, the modem connects to the internet, but computers require to use a static DNS in order to use it, otherwise they fail to reach a DNS lookup. ...
0
votes
0answers
55 views

VPN DNS resolution

I have several Windows, Linux, and Mac clients connected to an OpenVPN server. I would like for some of them to be able to resolve internal names (host.vpn.company.com, where the VPN server which is ...
0
votes
1answer
2k views

DD-WRT: dnsmasq headaches with static hosts

I am using dd-wrt (r23503, for the record) on my new Asus RT-AC56U router. Unfortunately, dnsmasq configuration is giving me nothing but headaches. Here's what I want: DNS queries from the ...
0
votes
1answer
113 views

How can some services apply HTTP proxy by modifying DNS server?

Some services, like ProxyDNS, provided a way to access region-restricted websites like Hulu. I believe this kind of services are based on HTTP proxy, when we accessing hulu.com, the HTTP proxy is ...
0
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2answers
1k views

Local DNS server is required to use names instead of full IP?

My computers have local IP addresses such as 192.168.0.X. And many of the computers have names such as "MyPC" or "YourPC" etc. It seems on Windows, in most cases, just using "MyPC" instead of the ...
0
votes
1answer
79 views

How to get the IP of the computer, of searches in my google account? [closed]

How do I get the IP of the computer that made researches in my google account, which was recorded in history that is accessed through my google account? Thanks so much!
0
votes
2answers
803 views

is it possible for a server to know which client(IP) did a DNS query for its domain name?

Let's assume I have a domain name, for example, myproxy.com. Then I have many websites, like kitty.myproxy.com , wow.myproxy.com I want to configure an authoritative DNS server for the domain name. I ...
0
votes
1answer
6k views

How do I change my DNS address to something other than 8.8.8.8?

My DNS address seem to be set to 8.8.8.8 (primary) and 8.8.4.4 (secondary). These are Google DNS addresses, right? How can I change this so that I get the DNS address from my ISP? I can't change this ...
0
votes
2answers
1k views

BIND DNS settings on Mac OS X Lion: Errors in .zone file

I'm using Mac OS X Lion's BIND to set up a local domain "webapp.local". I've already set up a VirtualHost in Apache and added "webapp.local" to the host file, which works. But wanted others on my ...