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

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What does infoblox network applicance does

My friend has given me this network device. He doesn't know what to do with it. So far I only know that it is a DNS server. So I want to learn from expert people in industry that can I use that device ...
2
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50 views

what is a scoped dns query?

In MAC OS X (Mavericks) i see multiple resolvers and i dont understand the difference between scoped and non-scoped dns query resolver as displayed below. $ scutil --dns DNS configuration resolver ...
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1answer
52 views

Using ICS + router causes high ping in games

My main (work) PC connects to the internet using my brother's router (he lives a few houses from me) via wifi using an Alfa AWUS036H adapter and a big antenna. To connect my second (gaming) PC to the ...
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0answers
107 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 ...
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2answers
38 views

Domain & sub-domain redirection [closed]

I plan to setup a site domain1.com but want all the traffic coming to it redirected to domain2.com. If I do that, will there be any issue in creating subdomain1.domain1.com and ...
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1answer
39 views

Cannot access facebook, google, gmail on macosx (timeout) possibly https related?

I'm having the wierdest problem, I can't access facebook.com, gmail.com and google.com (possibly other websites as well). Chrome compains that the website is taking too long to reply, same with ...
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3answers
63 views

Router unable to connect to internet

Background : My ISP has a web based authentication scheme . So when I first try to browse any site , it goes to the isp login page. Once logged in , further requests to web pages work fine . ISP has ...
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40 views

My website loads on my computer but not on any other computer. Why does that happen?

Here's the website: http://wbut.jayantbhawal.in/ This website used to work perfectly anywhere till yesterday. It's a Wordpress powered website using the theme Tempera. I've used a lot of plugins on ...
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1answer
21 views

Where does ICANN publish its list of gTLDs in plain text format?

ICANN added 100 or so top level gTLDs string in 2013 and 2014. See Delegated Strings at ICANN's website. I want to fetch the delegated strings, but I don't want it with the HTML markup (it ...
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1answer
35 views

How does Nmap decide which DNS servers to use?

I had a problem using Nmap which turned out to be down the list of DNS servers Nmap was using for reverse DNS. There were 2 correct DNS servers and two strange ones. The problem was solved/worked ...
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43 views

Is this expected reverse DNS behaviour or something weirder?

Excuse me as I'm a linux noob: I have a system (specifically, a Nexus 7 running CM 10.2.1 with busybox), which, when I run host or traceroute on its nominal private IP (192.168.1.7) gives a hostname ...
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132 views

Configuring email on a CentOS server for proper sending

I have a CentOS server that hosts a public website containing a contact form. That contact form calls a php script that sends a mail. If I send a mail to certain domains I get errors like this : ...
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1answer
41 views

What hosts does multicast DNS send to?

mDNS (multicast DNS) queries are sent to 224.0.0.251:5353. While this is a multicast address, don't all hosts on the network segment have to receive this traffic in order to have the correct DNS ...
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1answer
140 views

Can't access certain websites

I'm trying to access the site http://www.svenskadomaner.se but it's unreachable from my MacBook Pro (OSX 10.8.5). The domain belongs to a web hosting company and it's not only this specific site I ...
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20 views

Shared (cpanel) hosting: main domain and subdomain pointing to different IP-addresses

Is it possible in typical shared-hosting (cPanel based) to have something like: somedomain.com -> off-site cloud-hosted (AWS, Rackspace) server www.somedomain.com -> off-site cloud-hosted (AWS, ...
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1answer
61 views

Page load time of websites

I'm trying to find a solution to a "problem" which occurs when opening webpages. When I'm opening to open any website (no matter which browser), for example www.stackexchange.com, it takes always 5 ...
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2answers
43 views

How do bulid local DNS server that transfers to ip address?

How to do that when type example.aaa moved to 123.141.151.1. Example: example1.bbb => 123.146.22.77 example2.ccc => 22.12.44.222 example3.bbb => 11.63.33.76 What I need to install DNS server on the ...
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88 views

How to properly obtain the ip ranges of a domain?

In order to shape traffic cheaply, I would like to know the address range of a particular domain, say google.com. First option is to do a reverse dns lookup for a range of ips that are close to the ...
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37 views

Setup DNS Tunnel like unblock-us.com

I've currently got a pretty decent VPS and I live outside of the US so I am looking into a way which I can use my server like something at unblock-us.com where I set the DNS and it will change my ...
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1answer
19 views

Windows 2003 VM drops out of domain

A customer of ours is cloning a domain-joined Windows 2003 VM, changes its IP but leaves it with the same hostname (using sysprep). It still retains connectivity to the same domain controller. What ...
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2answers
62 views

How do I determine DNS domain ownership authoritatively?

There seem to be various "hacks" that sort of try to confirm domain ownership (e.g. see Google's list), but it appears to me that they usually verify something else, even if closely related. For ...
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12 views

Browser and alternate host file [duplicate]

I'm testing some software using a browser. I want to start a Chromium of FireFox session, and instruct the browser to an alternate host file. The host file will redirect a couple of domains to the ...
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30 views

Difference between rndc and nsupdate

Im setting up environment for dynamic dns updating and was testing nsupdate, but then again there is rndc tool. What is the difference between those two?
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129 views

When on VPN, can't load any sites that belong to Google

I work from home and I VPN into the office. We are a remote team all over the country and we use Google Hangouts to video conference. After I VPN, I then RDP onto my desktop which is a physical ...
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57 views

Connecting to SVN

I am trying to connect to SVN but finding it hard to have all set up. I've installed the server on my VPS (not part of my LAN). I've installed SVN and Tortoise on my local PC. Visual Studio 2012 ...
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22 views

How to include all dns records and IP address of a server in automatic certificate enrollment of Microsoft AD CS?

In my company there are a lot of servers which users remotely login to them to do their duties. We have enabled computer certificate auto enrollment for them to assure secure connection. But because ...
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1answer
87 views

Auto-registered dns record on windows server 2012

I have two server with two network interfaces, one linked to LAN network and the second connected together for cluster heartbeat. The second interface is not accessible from other mahcine but the ...
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1answer
246 views

How to know which DNS servers are resolving my computers requests?

My Win7 box is erroneously resolving a IP address. I had the same problem last week and "fixed" that by switching to Google Public DNS 8.8.8.8 and 8.8.4.4 for IPV4 and the others for IPv6. So when ...
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63 views

Sendmail local domain relay

Sendmail on webserver.mydomain.com is sending all emails properly except email addressed to anyone@mydomain.com. mydomain.com's mail is not handled locally and mx records are configured to point to ...
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1answer
218 views

DNS server does not respond after reboot in Windows 7

First of all, I think that this might be an issue with the router (TP-Link) because I never had this problem before I moved into a new apartment. But I also recently formatted my PC, so I'm not sure ...
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1answer
80 views

What does my internet provider know about my online activities?

What does my internet service provider know about my online activites in these cases? plain server (www, ftp, whatever) connection and provider's DNS secured (e.g. TLS) server connection and ...
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33 views

rsyslog block by dns

rsyslog version is 5.8.6 The rsyslog client send message to remote server by udp, the remote server is used by domain, when the domian can't resolv and timeout, the rsyslog will be blocked. I add ...
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69 views

DNS/website migration with an Exchange server

I would like to migrate my organization's primary website to a different hosting provider, which is a straight-forward process, however we also have an exchange server that handles mail for this ...
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36 views

Can't change DNS at GoDaddy

I just registered a domain at GoDaddy and wanted to change the DNS server to my (soon to be) host. I followed this tutorial, section "Setting Custom Nameservers for a Domain Name Registered with Us" ...
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2answers
66 views

Can using a different DNS server effect ones IP address?

or more precisely: what websites perceive ones IP address to be? I've always thought your IP would stay the same and changing your DNS would just effect how it resolved others Names to IPs but ...
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1answer
87 views

automatically add entries to hosts file

I have a hosts file on my dropbox in which I create shortcuts to all kinds of ip's that I use often (server dev is added as d, stackoverflow is added as so and so on). Over time I have built quite a ...
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45 views

DNS Server or Modem

Last night I started receiving phishing pop ups on my windows machine when using google telling me I needed to upgrade my flash player. After a few hours of virus scans with no results I opened an ...
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35 views

Finding out default DNS in OS X Terminal

When doing "nslookup" on a windows machine you get the address of the default DNS you're using (http://gyazo.com/313d1ad31c1927741aa266fc7f8542fc), but for some reason you don't in OS X ...
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3answers
181 views

Set up Split-horizon DNS at home

I have some services set up on my computers at home. Currently I use a little script to determine if I'm at home, and if so use a LAN IP, and if not use my router's WAN IP to connect to these ...
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99 views

Why there is no use changing /etc/hosts

Here are the commands: [17:31:13 root etc]# cat /etc/hosts 127.0.0.1 localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 127.0.0.2 myweb.com [17:31:25 root etc]# ping ...
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2answers
97 views

My ISP is rewriting google.com's DNS entry. how can I circumvent?

I am in Thailand, and my ISP is ToT, and I am using Windows. When I do a nslookup for google.com, I get the following: C:\Windows\System32>nslookup DNS request timed out. timeout was 2 ...
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1answer
51 views

DNS Resolver for Windows over TCP

I know that DNS uses UDP with Port 53 for DNS queries. However, at my place sometimes UDP requests are blocked and DNS fails. I know that there is protocol for DNS over TCP and many public DNS servers ...
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2answers
100 views

Wireshark, Find Protocol Layers

I'm using Wireshark to analyze network traffic. I'm a bit confused by what's displayed under the "Protocol" column. If I'm not mistaken, DNS and HTTP are Application layer protocols while TCP is ...
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2answers
41 views

DNS- Use Different Domain

So I'm planning to purchase a dedicated server from Northhosts (northhosts.co.uk), and the company owner (I assume the guy runs the company, and also provides support to customers) gave me a test IP ...
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2answers
166 views

Ping and nslookup work, browsing doesn't

I have a problem with my desktop computer. I can execute ping and nslookup commands but browsing doesn't work well. It takes a very long time to open webpages. I have tried different browsers, ...
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44 views

dnsmasq - Redirect URL request to guest VM

I am running Linux Apache on my local Parallels VM as a guest, my goal is: redirect an URL request (http://test.dev) from host (OS X) to Linux Guest. I had a local dnsmasq setup with MAMP (which ...
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37 views

Create new DNS zone for public domain namespace

I have a AD domain ad.example.com with a web server www.ad.2nditeration.ca. The DNS zone ad.example.com has a record for www and access to www.ad.2nditeration.ca works fine internally. I want the ...
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1answer
27 views

OpenVPN and advertising FQDN

Is there a config available for openVPN to advertise FQDN over the VPN connection. At my house, I don't have my own DNS server. Just know that after a few minutes on my lan, arp -a gives me a ...
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3answers
49 views

Is it possible to make one domain be connected to 2 servers? [closed]

Is it possible and how would I do this, to make one domain www.mydomain.com be connected to 2 servers? Situation: I have Dedicated server on which I am hosting eg. "some game server", and I also ...
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2answers
111 views

I can't connect to school server from within school network

At our school we have a server where we can access documents and similar. Accessing it is no problem if I connect to the network via VPN connection. But if I connect to the network via the WLAN of the ...