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

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30
votes
10answers
98k views

Running DNS locally for home network

I have a small home network that just got larger ( New roommate, My existing roommate got a laptop (on top of her computer)j, my friends coming over with laptop, etc ). I'd like to run a local DNS ...
445
votes
14answers
291k views

How to clear/flush the DNS cache in Google Chrome?

As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?
6
votes
6answers
9k views

Connect to Linux by name rather than IP

I'm new to Linux (currently running Ubuntu 10.04) and I have just finished setting up SSH access to my Linux Machine. Currently, I have to use ssh root@x.x.x.x to connect but would much rather be ...
18
votes
2answers
899 views

How does http://to./ work?

So I noticed this on Jeff's twitter. They don't have a tld, it seems? How've they done this? Magic, bribery, or did a no-tld tld open up recently?
9
votes
3answers
6k views

All my browsers suddenly don't support Javascript files anymore?

I'm experiencing the same issue as this question, which seems to be unresolved. I'll provide more detail, sot that this qualifies as a better representation of the issue. It all started after moving ...
103
votes
5answers
12k views

How should I choose my DNS?

When I have to choose my DNS I think that I should consider: Speed Reliability Privacy Control (reports and stats) The main options that come to my mind, and how I weigh them according to the ...
7
votes
4answers
25k views

How does hostname spoofing/customization work on IRC networks?

I've used IRC for a long time and I've seen people with really unique hostnames. I'm wondering how they are able to have those? My theory is that one sets up a server as part of the efnet/freenode ...
7
votes
4answers
18k views

Does Chrome use a different DNS server from Firefox and IE which use the OS default?

Is the common set up for Chrome that it will use a different DNS server, while Firefox and IE will use the OS networking default? My Chrome (including one on virtual PC) will sometimes show ...
8
votes
5answers
8k views

What are the pros and cons of using an alternative DNS instead of the ISP server?

I searched the web for answers, but I haven't found anything conclusive. What are the advantages/disadvantages of using an alternative DNS (for example, OpenDNS or Google DNS) as opposed to the ...
1
vote
2answers
684 views

how can i forward requests to my own IP address to a local IP address in my network (possibly using named)?

My setup I have a linux server running in my basement. I currently have my router looking to that server for DNS lookup, so I can use named to spoof a bunch of domain names to point to my local ...
1
vote
1answer
76 views

Local DNS server

I am using a local (company) network which provides some servers which are also available from the outside (through one public static IP and port forwarding). And there are some domains which are ...
12
votes
6answers
12k views

VPN: Does all traffic get routed through the VPN when I am logged in?

If I log into a slow VPN with only a 15k/s connection, when I try to go to kernel.org or some other site to download something, is everything getting routed through that other network? (so my max ...
4
votes
4answers
6k views

How is DNS used by individual processes?

When resolving FQDNs or machine names to IP addresses on my local network (mycompany.internal) I can use dig on the command line (linux/mac) or nslookup (windows) to query the configured server and ...
10
votes
6answers
3k views

Why does my browser take me to the WRONG site?

Sometimes I type nytimes.com and my browser takes me to usatoday.com. Sometimes google.com takes me to Bing.com. Sometimes I enter online.wsj.com (Wall street Journal), but I'm taken to ...
6
votes
5answers
27k views

What's the difference between “default gateway” and “preferred DNS server”?

TCP/IP Properties of a network connection in Windows Server 2003 has two different options, "Default gateway" and "Preferred DNS server".
3
votes
5answers
15k views

With Windows 7, why is an entry in the hosts file not working?

I updated some entries in the hosts file at C:\WINDOWS\System32\drivers\etc. As a test, I decided to make Google point to 127.0.0.1. # Additionally, comments (such as these) may be inserted on ...
4
votes
2answers
3k views

How can I set up Linux to use a different DNS server for a certain domain?

I can add DNS servers to resolv.conf and that works fine. But is it possible for me to call a different DNS server based on the domain trying to be resolved? For example: use 10.0.0.1 for ...
3
votes
4answers
6k views

Browser redirects almost all of links to Adfoc.us

Since yesterday, most of users in our region and as far as I know, many other peoples received a lot of link redirection. most of these redirection are going to adfoc.us website. this redirection ...
3
votes
4answers
270 views

How can I get my home machines to connect to each other via hostname?

I've got a standard Linksys router and a few laptops - mix of Windows Vista and Mac OS X. Shouldn't my router act as a DNS server to resolve hostnames for the machines within my local network? If not, ...
2
votes
1answer
4k views

How to setup intranet DNS to resolve some sub domain address and forwards others?

I have a domain names (MyDomain.com) which has a number of subdomains (subs1, subs2, subs3 and subs4) On my local network I have 2 servers running that host subs1 and subs2. I also have a server ...
1
vote
5answers
3k views

How to host website from my home ADSL?

I knew that I can use DynDNS to setup a hosting which will access my home adsl for hosting a website. I entered there but couldn't figure out how to setup this in steps, I registered a host name but ...
0
votes
1answer
691 views

Network disconnect with netgear router

I buy a netgear R6250 for my home. I have more than 10 devices connected by wifi, so it seem be good to this. But, I have a problem with it: I lost internet connection some times. I need to ...
0
votes
1answer
507 views

Why is my IP displayed in nslookup and netstat different?

i am connected to the internet through a LAN. When I see my IP in Windows 7 when using netstat -a, my IP is 172.19..., but when I used Linux (Ubuntu), for just checking a host name by nslookup, there ...
34
votes
15answers
54k 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: ...
9
votes
6answers
16k views

Lion / name resolution order

(this issue went away for me with the 10.7.1 update - /etc/hosts now works as always for me) I've updated my Mac to Lion and now I notice that /etc/hosts is consulted last, even after DNS. This is ...
9
votes
2answers
11k views

How does circumventing IP restrictions through DNS work in the case of hulu.com?

I just heard from an australian guy that it is possible to watch hulu.com from Australia (which is actually restricted by country IP checks) by using certain DNS servers. Now I was wondering, how ...
6
votes
2answers
2k views

How can I route a domain to my box at home?

I currently own my own domain, and have been using dyndns.com's "custom DNS" to allow me to redirect 'example.com' to my website at home, which is on a dynamic IP. I've now switched over to a VPS ...
6
votes
1answer
4k views

DNS cannot resolve a web site address

I cannot seem to access one particular website while all others I have no problem. The website in question is bbc.co.uk. At first, I thought there might be some problem with my laptop. However, if I ...
4
votes
1answer
18k views

How can I set up a 'local' domain so that everyone on my local network can view a locally hosted site?

I want to set up MediaWiki on one of my home machines, and then have all requests made on the local network for 'wiki.home' or 'wiki.local' point to that box. I know that this can be done by editing ...
2
votes
4answers
765 views

How to give computer URL to access over the internet?

I would like to be able to SSH into my macs over the internet using a DNS name like my-imac@example.com or something similar instead of having to enter an IP address every time. How can I assign ...
2
votes
4answers
10k views

Why can't I access my own web server from my local network?

I have a web server in my home network and I'm using ZoneEdit for dynamic DNS. It's accessible perfectly to everyone outside of my local network, but since I switched to a Gateway 2Wire DSL ...
4
votes
3answers
3k views

How do DNS servers work?

I know that a domain name is resolved by a DNS server to an IP address, which is then used to reach the requested server. I'm slightly embarrassed that I don't know some of the details of how this ...
1
vote
2answers
2k views

Running a caching DNS server on my LAN

I have a Raspberry Pi, and I'd like to use it as a DNS server on my LAN. I'd like it to work like the following: The Raspberry Pi is a DNS server, but not a fancy one. When it receives a request, if ...
7
votes
6answers
9k views

Why do most routers not include local DNS?

I need to change my firewall/router, and I'd prefer something with built-in DNS to resolve queries on the local subnets. I've got a mixed Linux/Windows system, often with only one computer turned on, ...
5
votes
5answers
37k views

Why does remote desktop not work for me by computer name, and only by IP?

I have a computer at work that I can only connect to remotely when using the computer's IP address and not when using the computer's name. I can see my computer name is set up correctly as "JoshPC" ...
3
votes
4answers
6k views

Problem with network shares

I have a laptop installed with Windows 7 that has problems in accessing network shares. Even if I am able to ping the computers containing the share then I get the infamous "Windows cannot access the ...
3
votes
4answers
1k views

Accessing Windows from Linux/Mac by name using TCP/IP

What are some solutions to access Windows by its computer name from Linux and Mac using TCP/IP. That is, from terminal I want to be able to ping my Windows PCs using its host name. My setup is: ...
2
votes
2answers
7k views

How do I redirect a domain to another domain locally?

My /etc/hosts file looks like this: 127.0.0.1 localhost 10.20.7.67 testsitealpha.dev othersite.dev testsitebeta.dev The first two work. The last one doesn't. Why not? How do I make it ...
2
votes
2answers
2k views

Mac OS X traceroute not even reaching router gateway

I'm having an issue on a Macbook Pro running Mac OS X 10.5, I'm unable to visit certain websites such as: "themarchesa.com" On other computers in the same LAN network connected over wifi I'm able to ...
1
vote
3answers
201 views

How to access a site you host from within your own network?

I have web site being hosted on my computer, so that mysite.com is served from one of my machines. However, even though everyone else can access this site normally, if I type its name (or, indeed, any ...
1
vote
2answers
4k views

resolv.conf not working properly with Ethernet in Ubuntu

I have a Lenovo X200 laptop on which I am running Ubuntu 9.10. Recently, (I assume after some updating, but I really don't know) my ethernet port stopped working under Linux. A more tech/linux-savvy ...
0
votes
1answer
2k views

Who owns all domains? [closed]

I know some sites like GoDaddy and such sell domains. Where do they get these domains from? Is there somebody who sold all the domains originally. The internet is free and isn't owned by anybody. ...
11
votes
3answers
5k views

MacBook can't use internet, but nslookup and ping both work

I have a user with a new high-end MacBook Pro that can't use the internet. He can connect to either our wired or wireless network and do things like browse file shares, but can get no further. When ...
5
votes
4answers
2k views

Some pages in Chrome always redirect to ransom page at http://system-check-fyeltkhn.in

This is so weird and random that I have a problem explaining it fully. Since yesterday, those behaviors started: Some pages in Chrome are be always redirected to: ...
5
votes
2answers
181 views

Can I create a DNS domain for local use?

Is there a way for me to assign a domain name to a computer's local IP address, not for use with people outside the network? Preferably with no need to buy said domain. A example would to use ...
5
votes
4answers
11k views

Host name resolution on a home network

I have several machines (both virtual and physical) in my internal network at home. Currently I have to connect via 1P addresses. The one main machine I connect with to all the other machines is ...
2
votes
3answers
897 views

Chrome is unable to connect to the Internet

I'm getting the error code: DNS_PROBE_FINISHED_NO_INTERNET in Google Chrome. The thing is, I have a working internet connection. I am posting this using that connection, using Internet Explorer. It's ...
2
votes
3answers
878 views

Is it possible to link a domain to my server without a DNS?

I have a local server that I'd like to link to a domain without setting it up through DNS. Is this possible? Sorry if I sound dumb, but what does a DNS server do exactly? Why not just link the ...
1
vote
1answer
2k views

Windows DNS sometimes can't pick up my VM's hostname

RE: unresolved hostname / host not found / host unknown The VM is VirtualBox running Ubuntu under Win8, using the bridged networks. It almost always able to register itself to my company's Windows ...
1
vote
3answers
772 views

Why can't I use custom dns server addresses in a network?

I always used to set DNS servers to the Google's 8.8.8.8 and 8.8.4.4 right after I log in to any network. However recently I found out I wouldn't get access to any site unless I set at my OS ...