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

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2answers
4k views

Windows cannot find the host name “download.microsoft.com” using DNS

When trying to download a file found on the Microsoft downloads center that starts with, for example, http://download.microsoft.com/download/6/8/7/(some_GUID)/(some_file_name.ext) i get a timeout with ...
5
votes
3answers
5k views

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

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 ...
2
votes
2answers
2k views

MacBook Pro 10.6 losing dns service, network connection still functional if you know the ip address

MacBook pro connected to a wireless network (not sure about wired) I lose DNS. I still have a functioning connection and as long as I know the ip address of the website, server... for example skype ...
1
vote
1answer
1k views

Router resolves LAN DNS names to WAN IPs

I have a router on a LAN with 4 computers. One computer is a server with a static IP; the others are dynamic IP. All 4 DNS names resolve to an IP that is outside my LAN (i.e. a 208.* address instad of ...
1
vote
2answers
1k views

using computer name with Remote desktop

Hey there, I'm trying to remote control a computer in my home network (workgroup). I don't have an internal DNS server. I want to use the computer name instead of having to type the IP of the ...
2
votes
1answer
284 views

dig lookup different from system lookup

I am running dd-wrt and I configured it's dns server to resolve a few hosts inside my network. When I use dig to lookup these hosts, they are resolved OK, but when I try to ping those hosts I always ...
0
votes
1answer
2k views

Edimax wireless router is not providing DNS services correctly

I have an Edimax router that is set up to connect to the internet via L2TP on cable, and on the LAN side it's set up as a DHCP server. The DHCP server gives correct IP addresses, but it sets itself ...
8
votes
3answers
3k views

Is the www in web addresses a subdomain? [duplicate]

Possible Duplicate: Whats the purpose of the WWW subdomain? I read about sub domains at w3schools, but Wikipedia says something different. The w3schools gave the example of www being a sub ...
1
vote
1answer
324 views

What to do if the dhcp server on a home router doesn't update the hostnames?

first question here... Premise: this started trying to setup a VM for mucking around with some completely unrelated software... since i want to connect to it through ssh, for ease of configuration (...
1
vote
1answer
7k views

Host xyz.org not found: 3(NXDOMAIN)

I have some problems with configuration of my DNS on VM... When I'm trying to run command: host dns.xyz.org The error is Host xyz.org not found: 3(NXDOMAIN) named.conf looks like(the part of options ...
13
votes
2answers
10k views

OS X >10.6.5 DNS Lookup Order with VPN

After updating to OS X 10.6.5 (from .4), applications don't seem to be looking up host names in the correct order (according to the service order in Network Preferences) when my VPN is connected. My ...
1
vote
1answer
8k views

DrayTek 2820n: LAN to LAN VPN connected, but half working

We have two locations, both using a DrayTek 2820n. Location 1 (L1) features a PDC, DNS, DHCP server (SBS 2008) with IP 10.1.1.2. Location 2 (L2) has a Windows 7 laptop only. Both locations are ...
10
votes
2answers
7k views

How can I check if a domain uses DNSSEC?

DNSSEC has been deployed on some topdomains now. But how could I see if a site/domain is using DNSSEC? Is it shown in the browser? or is there any windows or linux command to see it? or a tool for it?
0
votes
2answers
420 views

setting dns server

I am trying to understand this: When I set up my internet connection, I have to enter my ISP's IP address and possibly a DNS server address. In both those options I can enter either an actual IP ...
7
votes
3answers
51k views

How can I set my DNS settings using the command-prompt or PS?

Through the CLI (either cmd.exe or PowerShell) on Windows 7, how do I edit the TCP/IP DNS parameters for a specific network adapter?
647
votes
15answers
462k 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?
8
votes
9answers
17k views

Can ping fine but no browsing

I've got a laptop which has a verified internet connection. I can ping www.google.co.uk and receive a response no problem. However IE, Chrome, Firefox, MSN messenger cannot connect to the internet. ...
1
vote
1answer
2k views

Dynamic DNS (DynDNS, No-IP, etc.) security issues

Are there any security issues inherent in setting up a mapping between a domain name and dynamic IP (i.e. what dynamic DNS services like DynDNS or No-IP do)? Or are the only security risks related to ...
4
votes
2answers
14k views

Why is a reboot not required after changing HOSTS file content

I was having a discussion with someone who asked me whether a Linux OS has to be rebooted when the hosts file is modified. From personal experience, on Windows I change the file but don't reboot and ...
1
vote
3answers
210 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 ...
3
votes
3answers
1k views

Is it possible to make local DNS cache to make browsing faster?

I've noticed that significant amount of time is spent on initial domain DNS resolve and it works much faster after that. But hey.. 90% of websites have the same IP for many months! Q: Is it possible ...
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
1answer
171 views

Can Ping on an iPod Touch cause DNS issues with other devices on the network?

So I was playing with my iPod Touch recently and I accidentally tapped "Ping" while using the iTunes app. The app then went blank and became stuck in a holding pattern, as if it were trying to ...
9
votes
2answers
29k views

Append dns suffixes via windows command prompt

At my work, we have two connection specific DNS suffixes. lhs.local and cis.local. I'm trying to write a batch file that will take care of a lot of the common administrative tasks that need done when ...
0
votes
1answer
429 views

Port not getting forwarded correctly even though a DynDNS hostname is created

Dynamic IP-address is not able to be forwarded correctly Hi guys I've recently discovered an odd problem. When I'm at my own house (with a static IP) my Team Fortress 2-dedicated server is working ...
3
votes
3answers
2k views

How can I restart my networking after using Witopia's Viscosity openVPN install that dies?

I am a customer of Witopia; they provide a VPN service. For the client, they license a copy of Viscosity which is a GUI front-end for openVPN. Over the past couple of days I've noticed that if ...
0
votes
1answer
584 views

Switching DNS host, is it worth my while?

I currently get free DNS hosting from Zoneedit. I am allowed unlimited monthly queries at no cost and I have no problem with them. Now, my hosting provider, Heroku offer an add-on that lets you use ...
2
votes
2answers
4k views

Diagnose DNS problem

Ubuntu Maverick 10.10 i386 (beta). From my box I can ping any host outside my gateway or on local network (including my DNS server). But I can't resolve any domain name: $ nslookup google.com ;; ...
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4answers
1k views

website lookup extremely slow in Ubuntu

I have a wireless broadband connection through a router and wireless modem. Everything works fine in Windows. However, in Ubuntu on the same machine, websites seem to take longer to start loading. I ...
2
votes
1answer
2k views

Cygwin/SSH Over Corporate Proxy

So I can't SSH outside the corporate firewall to my personal development environment. It's a Windows shop. I use Cygwin and bash so I can actually get work done. SSH doesn't work. I installed ...
1
vote
1answer
402 views

DNS problem in Google Chrome (in Debian/Linux)

My hostname is abc.my-company.com, and there is www.m.com.my-company.com in the domain. The domain name my-company.com should be added to www.m.com. While this works very well with Firefox, links, ...
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vote
4answers
13k views

Why doesn't my HOSTS file redirect DNS in Windows 7?

I've modified the HOSTS file on my Windows 7 machine in exactly the same manner as I have in the past on my Vista and XP machines; however it has had no effect. How do you redirect URLs in Windows 7 ...
0
votes
1answer
171 views

Why is my sent email delayed 30 seconds?

Why is my sent email delayed 30 seconds? Suspect DNS server.
0
votes
4answers
168 views

DNS Timing Out on Machine

Major problem here that I cant figure out! pandlstrategies.com works fine on some machines and in some locations, but keeps timing out on others, mine being one of them. I can not get to my domain ...
4
votes
3answers
3k views

Router(s) Issue: DNS queries sporadically fail with multiple computers hooked in

Basically, after anywhere from 5-60 minutes, DNS queries fail for a few minutes, then slowly begin to resolve correctly. Then the cycle repeats. This occurs only when more than one computer is on the ...
2
votes
1answer
3k views

How can I block specific domains on Windows, only for certain users?

I want to limit what websites I can view when logged in under an account. I don't think it's possible to accomplish this via the hosts file or router. Ideas for good/free solutions?
0
votes
1answer
584 views

Wireless internet not available unless DNS values are entered on wireless laptop

Devices: Source computer (Windows XP SP3 & THOMSON ST585 router), Laptop (Windows 7 Home Premium) I've been using a wireless connection to use the internet on my laptop for a long time. The ...
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vote
0answers
441 views

Why is Windows is still caching failed DNS queries even after editing the registry?

Throughout the day, my 3G modem will sometimes disconnect and reconnect instantaneously. If I happen to request a webpage at the exact moment the modem disconnects, Windows will cache the failed query ...
11
votes
3answers
7k 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 ...
1
vote
1answer
1k views

Static DNS + DHCP-ed IP in Windows?

I change wifi networks a couple times a day. Obviously they have different DHCP settings, and I always use dynamic ip resolving. However, I want to have the same (say, OpenDNS') static nameservers in ...
0
votes
7answers
254 views

Is is normal for a home router to NOT respond to MX requests?

My Home router (netgear dg834g) does not respond to requests for MX addresses from the internal network. Is this normal? It DOES respond to other reqeusts. My previous router - BT Voyager 2091 - ...
6
votes
2answers
18k views

Why does ipconfig show multiple DNS servers?

$ ipconfig /all DNS Servers . . . . . . . . . . . . : a.b.c.d a.b.c.e Why do I have two DNS servers listed? Is it something like try second in case first fails?
6
votes
6answers
17k 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 ...
0
votes
2answers
2k views

Nameserver query order in Mac OS X?

I have a home network with 2 Macs and one Linux box. There is a caching DNS nameserver on the Linux box. I would like the Macs to use the caching server, and only if that is inaccessible fall through ...
1
vote
4answers
3k views

really weird DNS problem in Ubuntu {after one month, seems like ISP problem}

I been having this random dns problem, in Ubuntu 10.04 and in 10.10 it started about 2 weeks ago after (I believe) an update. Basically when I go to a website randomly I get that the website I'm ...
0
votes
2answers
2k views

How do I setup DNS to use Google Apps for email, but my existing hosting account for the website?

I'm using name.com for my domain names and also using them for DNS management. I enabled google sites for my domain. The good part is I can now visit mail.example.com and my Google Sites mail client ...
2
votes
1answer
2k views

'dig any' results wrong, missing data

I was playing about with 'dig' showing a friend how it worked when I spotted some odd behaviour with the 'any' type. I believe that using 'dig any' will get all the record types automatically but ...
11
votes
4answers
26k views

Override DNS in Firefox

I'm looking for a way to override DNS entries in Firefox, for development/testing purposes. I know the normal way to do this is via the hosts file, but I cannot edit it since I don't have admin access ...
0
votes
1answer
655 views

Microsoft DNS and Hosts with Multiple IP Adresses

I'm running a Microsoft DNS Server for AD. One of my Servers has two NICs and hence two IP Adresses (192.168.0.10 and 192.168.1.10). The IP Adresses are intentionally in different Subnets, the 1.10 ...
0
votes
5answers
3k views

Windows 7 etc/hosts file broken?

I have a local webserver running that I would like access as myserver.localhost, so I added an entry 127.0.0.1 myserver.localhost to C:\Windows\System32\drivers\etc\hosts. This worked fine. ...