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

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310
votes
13answers
193k 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?
22
votes
10answers
68k 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 ...
18
votes
2answers
880 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
5k 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 ...
101
votes
5answers
11k 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 ...
6
votes
4answers
19k 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 ...
5
votes
6answers
6k 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 ...
11
votes
6answers
11k 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
5answers
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
22k 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".
6
votes
4answers
13k 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 ...
2
votes
5answers
13k 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 ...
6
votes
5answers
5k 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 ...
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 ...
1
vote
1answer
53 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 ...
1
vote
5answers
2k 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
461 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 ...
9
votes
6answers
15k 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 ...
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
3k 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 ...
2
votes
4answers
631 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
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 ...
2
votes
4answers
8k 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 ...
1
vote
3answers
198 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 ...
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
3k 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 ...
6
votes
6answers
7k 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
4answers
9k 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 ...
4
votes
2answers
130 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 ...
3
votes
4answers
4k 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 ...
2
votes
3answers
502 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
342 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
253 views

Unable to resolve dynamic IP for home web server

I have configured my home web server with Fedora. Now if I enter localhost or 192.168.0.1 in my address bar I can see the Apache test page. But if I enter my current dynamic ip on address bar then I ...
1
vote
2answers
3k 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
3answers
170 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 ...
12
votes
2answers
15k views

How to do DNS through a proxy in Firefox?

I am using Firefox 3.5.7 with FoxyProxy. I have an ssh tunnel forwarding 8080 through to an HTTP proxy server on the other end. With FoxyProxy, I send work traffic direct but everything else goes ...
11
votes
3answers
18k views

Change DNS Server From Terminal (or script) on Mac OS X

How can I change my DNS server from the Terminal on Mac OS X? [I need this because my DNS is not working correctly with my VPN. Sometimes it's using the DNS for my main connection, and sometimes it's ...
7
votes
2answers
2k views

10 second delay for .local TLD in Mac OS X Lion

Our company network uses xxx.companyname.local for all the servers on our local network. Whenever I access one of these servers on my Mac, I have a 10 second delay. I have found out that this delay is ...
25
votes
9answers
28k 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: ...
14
votes
7answers
8k views

Is it possible for many domain names to share one IP address?

Is it possible for many domain names to share one IP address? For example, www.xjtl.com, www.fmie.com, sdmfl.com, etc. Hundreds of domain names share just one IP – when you do a DNS query for each of ...
14
votes
3answers
4k views

Should I use Google Public DNS service for my desktop?

What are the pros and cons of using Google Public DNS resolution service?
9
votes
4answers
781 views

Can I rely on my own DNS server in case of a global DNS blackout?

On March 31st 2012, Anonymous plan to take down the 13 root DNS servers that power the Internet: http://pastebin.com/NKbnh8q8 ... and I don't want to even notice if it actually happens. Assuming ...
5
votes
6answers
1k views

Name reputable dns servers for home use (as alternatives to your ISP's) [closed]

Since it is becoming increasingly common for internet service providers to 'mess' with their dns service (by resolving unknown names to ad pages, etc) or their service is just unreliable, please ...
13
votes
2answers
3k views

How will home networks work in the IPv6 world?

Right now, I have a home network setup behind a Netgear router. That router has a public IP address I get from Comcast. I also have a computer setup on my home network running Linux that runs a DHCP ...
8
votes
3answers
1k views

In Google Apps, is there a way to completely hide the fact that you're using Google?

If I have a domain in Google Apps: http://mydomain.com If I host this under Google Apps, I can have my documents, calendar, and mail at sub-domains: https://docs.mydomain.com ...
7
votes
2answers
8k 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 ...
4
votes
1answer
12k 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 ...
9
votes
3answers
32k views

Is there a good DNS server I can install on Windows 7 for a LAN? [closed]

I have a few computers on my LAN, and now I'm getting tired of remembering the IP addresses all the time, so I would like to start using DNS names on my LAN. I have a heterogeneous network with ...
5
votes
2answers
10k views

Can't set “example.com” as a CNAME record?

I'm currently running a server at home, but I have a dynamic IP. So I subscribed to a dynamic dns service(dlinkddns.com). I made all the correct settings in my own network, and the ip updates ...