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

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How to disable network manager service permanently

The computer i am working on has a manual network configuration i need to keep. The DNS address has been written to file /etc/resolv.conf but the network manager rewrites a default configuration in it ...
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1answer
23 views

Cannot contact dns server

Just switched my isp, trying to figure out why my dvr and pos are not working properly, they both keep saying cannot contact dns server. I configured everything in my comcast modem to bypass and my ...
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1answer
12 views

How can I do name resolution on Mavericks?

I would like to map a IP addresses in my local network to a name of my choice. The network is being used by others, this name should only be available when used by my machine. I have been looking for ...
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9 views

DNS server not responding in vpn connection win 8.1

I use win 8.1 and my campus has an intranet network and a vpn(PPTP). to connect to internet, first I have to connect to the intranet(wireless network) and then connect to vpn. But the problem is when ...
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1answer
11 views

dnsmasq circular loop error

I know I am missing a configuration somewhere, but I just can't find it. I have two routers, A is upstream of B, both running dnsmasq. A has domain A.com B has domain B.A.com A has in dnsmasq.conf ...
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2answers
72 views

Is there any software that can reliably change my IP address without having to unplug router?

Alright, so, there is a certain website that keeps… I'm not sure exactly what the right term is… attacking, hacking, my computer, I guess? With a DNS spoofing or DNS cache poisoning attack, and ...
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20 views

lose internet connection after adding DNS

I use a free pptp service and works well, but I have noticed that I have a DNS leaking when tested on thise Site [ipleak][1] [1]: http://ipleak.net/ so I have tried manually to change DNS settings to ...
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1answer
31 views

How to block DNS from DHCP on OS X 10.9?

I've been trying to configure my macbook (10.9) with ice floor and openvpn to prevent outbound connections from my real IP. So i had to allow connection between my real IP and OpenDNS so as to be able ...
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1answer
27 views

Firefox won't open websites, other browsers do

So, any website that I try to open up in Firefox just won't load, it's not just particular websites. But all other browsers - IE, Chrome and Opera, do. What I have tried: * Checked Comodo's firewall ...
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17 views

How does 1e100.net works? [on hold]

This question is similar to this question-: What is 1e100.net and why do I have TCP ports open to it? I would like to know why the domain 1e100.net is required and how it fits into using Google ...
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21 views

kernel system call inplace of “route” command to add host ip to routing table

I need to traverse all data packets of ftp server host from ppp0 interface, So for that i am using below command which add ftp ip address to route entry with specific gateway. route add -host ...
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1answer
26 views

How to load a website from a certain ip?

I'm on a DNS (that I can't change) that propagates websites slowly (like days before Google's dns) so when I purchase a domain and point it to my web server and load it in my browser, it goes to a ...
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20 views

Mac OSX connected to an Active Directory domain is not mapping to the network drive over VPN. I suspect DNS, but the settings all look fine

I've got a remote user that's using a new MAC book pro to log into the windows domain via LogMeIn Hamachi. Hamachi is connecting to the domain: I can ping the mac book from the Hamachi Server it's ...
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1answer
21 views

Configure/Change Windows DNS Server Port

How do you configure/change Windows DNS Server Port? I would like to change the port? I've done it with BIND(http://www.golinuxhub.com/2012/08/change-port-no-for-dns-server.html), but cannot find how ...
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10 views

Change DNS to dynamic but NOT if IP is static?

I know I can use the netsh command to change DNS settings from static to dhcp, but does anyone know a way to tell it to do nothing if a static IP address exists?? Example 1) PC1 has a dynamic IP ...
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1answer
16 views

How to be able to resolve multiple domains using /etc/resolv.conf on Linux?

I'm running Ubuntu 12.04 and I'm trying to ping the following systems: system0.oldcompany.com system1.fing.oldcompany.com system2.newcompany.com system3.thing.newcompany.com My resolv.conf search ...
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3answers
32 views

Unable to browse IP using Browser after adding in Host File

I have mapped an IP in my Host file My IP XXX.XXX.XXX.XXX myservername server name is just a name without any "." When i try to ping it from command prompt using ping myservername it return ...
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2answers
18 views

Why would xbcd.com resolve to the localhost (127.0.0.1) on Linux (Ubuntu) and Android?

When 1) pinging xbcd.com I get 127.0.0.1 2) using a web browser and the URL xbcd.com leads me to the local webserver, if it exists. I've tried this on Ubuntu 14.04, multiple networks/DNS, as well ...
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7 views

Curl to update dyndns record for *.domain.com

I use curl to update my dns whenever my ip changes and it works as expected. url = domain.com user = username pass = password ext = 123.123.123.123 curl -s --ssl --user "$user:$pass" ...
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1answer
33 views

Extract first variable from another variable

I have a .bat script that does some ping, nslookup and other commands on a list of hostnames. Somewhere down the line, I get a variable %FQDN%, which echoes out the fqdn of the remote machine, however ...
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1answer
16 views

Windws - DNS for two NICs - one with hosted network

Hi I have a PC that runs a small web app (wamp based) and invites the user to take it's smartphone to use it. For that we use 2 wireless connections; - built-in: The wifi card with windows 'wireless ...
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0answers
25 views

How to set DNS correctly in a network namespace?

I try to set a network namespace and visit internet inside this network namespace. ip netns add netns1 ip link add A type veth peer name B ip link set B netns netns1 brctl addbr bridge0 ip addr add ...
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1answer
18 views

Slower browsing after vpn + ipconfig/flushdns + changed dns

I tried a vpn service but when I did a dns leak test(https://www.dnsleaktest.com) I saw that I had a dns leak. So I followed this instructions:https://www.dnsleaktest.com/how-to-fix-a-dns-leak.html. ...
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20 views

Local DNS with DD-WRT and dnsmasq not working

I just upgraded my ASUS RT-AC56U router to a newer DD-WRT, build 23940. This is the latest as provided by the website's router database even though it is from April 22, 2014. If a newer release ...
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21 views

Can't change DNS settings in Windows 8.1

I wanted to change my DNS settings into Google Public DNS. However, as soon as I changed it in my Wi-Fi properties and applied the settings, the next time I access to the properties, it changes back ...
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1answer
16 views

Wildcard and non-wildcard DNS records

I would like to direct anyone who goes to app.mydomain.com to 1.2.3.4 and anyone who goes to *.app.mydomain.com to 9.9.9.9. I've set up these exact two records but when I go to app.mydomain.com I get ...
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1answer
23 views

Understanding DNSSEC

So I've been trying to understand how DNS and DNSSEC works by reading the RFCs and also other various help pages around the internet, but I'm not sure if I understand completely, so i was wondering if ...
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2answers
27 views

Store password for network share that is connected via dns name

I am using Windows 8.1 as client and a cheap NAS-System (from fantec). The NAS offers an smb-share which I use as network share. It is no problem to connect the network share, but even if I put the ...
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1answer
18 views

Host angularjs.org not found: 3(NXDOMAIN)

My MacBook Pro OSX 10.9.4 has network problems now, and I cannot figure it out what is causing the problem. Today I am not able to access angularjs.org with any browser, but I can access other ...
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1answer
14 views

Glue record expiration

OK, after asking my last question, I've done some digging and I think I've figured out how everything works, but there are some things about glue records I haven't quite figured out. If a resolver ...
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43 views

All internet browsers won't resolve DNS except for TorBrowser

I'm having a bit of trouble with one of my Windows 7 Professional 64-bit w/ SP1 computers browsing the internet. I use the computer as a bed for testing different applications and so forth. The ...
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2answers
37 views

Where does DNS get the IP address, and what needs to happen if the address must change? [duplicate]

Here's a situation I'm facing: I'm the default system/network administrator for a small business ("default" because I'm really a software engineer but there's nobody else to do it). I have some ...
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29 views

My DNS access/IP resolving is blocked occasionally [closed]

My DNS access is blocked occasionally and restored shortly without any reason. It occurs occasionally without any relation to my daily activities. During the problematic phase (30-180secs) when the ...
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1answer
22 views

Is is possible to exclude a range of IPs from being included in the DNS resolver cache?

Our network has a number of systems that are dynamically allocated IPs (which happen to be in the public range). These systems also have a local hostname, which is making it into the DNS resolver ...
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2answers
21 views

Are MX and CNAME mutually exclusive?

I have a domain, and that domain uses another one of my domains to handle mail. I'm having trouble getting it configured in a way to make all mail clients play well with my domains. In terms of foo ...
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1answer
14 views

Receiving requests but not processing

I have an apache server set up on my computer. I have my port forwarding set up, so in the browser, it looks like the server receives the request, but it's not processing it. Anyone know what might be ...
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1answer
36 views

Unable to access shared folder in Win 7 homegroup via IP address

I have 3 Win-7 64 bit machines in a homegroup. MAC addressing enabled on the router. Machine A, B and C. All are in a homegroup. I want to share a folder on machine B to the rest of the group so I ...
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5answers
83 views

Nslookup command line with A record IP as sole output

I've found the following command to get your current public IP that works well from command line: nslookup myip.opendns.com resolver1.opendns.com I want to be able to run a command though that JUST ...
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0answers
12 views

Using tmux when network is having issues

Is there any reason why I should not be able to use tmux if I am having LAN issues? Or some tip or command line option I need to use? I am starting the tmux session locally. According to the manual ...
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1answer
44 views

DNS look up fail

Within the past couple of weeks, (this is not happening every day) I have a "DNS look up fail" error while browsing Google Chrome, and then a yellow triangle will appear over my WiFi signal telling me ...
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2answers
55 views

Is 176.34.131.233 really Duckduckgo.com address?

I would like to identify the ip owner. Can someone help me with that? PS I reside in Moscow, Russia.
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1answer
26 views

How can I make whois talking about the domain I asked only?

For example, whois =APAEB.COM says Whois Server Version 2.0 Domain names in the .com and .net domains can now be registered with many different competing registrars. Go to http://www.internic.net ...
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2answers
60 views

Open VPN Windows, pass all traffic through remote server

Goal: To pass all information (web browsing, video games, ftp / tftp traffic, etc) through a remote network before exiting to the internet. I am able to get a default gateway on working, but I'm not ...
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20 views

How to configure a web server for local access?

I currently have a desktop at home set up as a web server among other functions. It is running Ubuntu 12.04 and Apache 2.2.22. I have various virtual servers set up for different sites. Some of the ...
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1answer
26 views

How do I set up a “masked” domain?

I am working on a web application that can be access via resellers who can use their own domain and have a customised portal based on this domain. e.g Main web application lives at ...
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16 views

Domain name goes to router login on the same network and no response from outside

This is not a duplicate of DNS: Domain name goes to router when on the network, not the web server. I have a domain putimas.com. When open the browser with this URL, I get a router login page from my ...
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1answer
48 views

How to redirect to specific port from DNS

I've got a teamspeak 3 server from my friend, but problem is we've got to remember the IP address if we want to connect onto it from anywhere else than home. So I bought domain and I wanted to ...
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2answers
62 views

How does DNS work for mail server? And how to check MX and A record?

I have read up on DNS which basically means that it translate my domain name into an ip address. So just to confirm when i do a nslookup on cmd, i get e.g On my PC (NOT CONNECTED TO INTERNET, LOCAL ...
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32 views

Get “No route to host” when trying to connect to a host whose IP is already set in /etc/hosts

In /etc/hosts, I've set the IP for a domain I'm going to connect. This domain is resolvable even if I don't set its IP in /etc/hosts. I can ping it, or use requests.get to send request to it, it ...
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60 views

Website with memorable static IPs to test connectivity? [closed]

This is needed for the following scenario, User is getting a DNS server error User has nothing but an access to a web browser (command line is not available - ping/traceroute 8.8.8.8 or 4.2.2.2 is ...