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

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Do I need Active Directory for routing on a Windows Server?

I just use basic RRAS with NAT, DHCP, DNS(proxy/relay mode), and MS NetMon. I've been using this setup for a while and I haven't really used Active Directory at all. Is it okay to remove Active ...
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17 views

Can't get second router to assign Xbox 360 an IP address. Functions fine otherwise

Due to the layout of my house, I'm forced to use multiple broadcasting devices to cover it with signal. I have an Ethernet cable ran from an open port from my main router (the one connected to the ...
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1answer
20 views

Connecting to two Networks with different DHCP servers

Ok, So at home I have two wired Networks (one with internet access and one that doesn't) I have Multiple Network adapters on my PC and I want to use one into one network and another to the other ...
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1answer
26 views

How to check for malicious DNS records?

A router under my control has been compromised, and the attacker has changed the router's primary DNS server to one that I haven't seen before, and it does not belong to any ISP's. I'm guessing this ...
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44 views

Internet connection not working

This problem is not really related to programming, but to my computer. As of this moment I'm writing from my mobile phone. Not because I want to, but because I'm forced to. Maily because I have no ...
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10answers
15k views

Why does my internet connection fail intermittently?

On my laptop, my internet connection fails now and again. I'll go to a web page (Let's say Google) and I'll get page not found. I'll then sit and press F5 to refresh the page until eventually after a ...
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1answer
3k views

Resolving local hostnames with D-Link DIR-657 router

How can I resolve local hostnames with the D-Link DIR-657 router? With my old router I could just enter the device name followed by .home, eg. raspberrypi.home. However neither of these seems to ...
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1answer
230 views

Ubuntu only resolves DNS when the router's IP address is present in the DNS servers list

When I use DNS servers other than my router's IP address, Ubuntu or any other application (web browser) fails to resolve host names. I have added Google's DNS servers (8.8.8.8 and 8.8.4.4) using ...
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1answer
130 views

Curl shows redirection to localhost

I am using an iMac (27-inch, Late 2013) running Yosemite 10.10.2 (14C109). Recently I ran a curl command and it appears as though there is a local proxy or server running on my computer. Here is the ...
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1answer
36 views

Anyway to make OpenVPN's DNS entry the last priority?

I'm connecting from school to home. I have OpenVPN set so that only home network connections go through the VPN; it is NOT set to send all traffic through the VPN. And I would prefer to keep it that ...
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13 views

No IPv4 DNS Server showing in my connection status?

How do I connect to a broadband when there is no IPv4 DNS Server showing in my connection status?
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6 views

SRV record for service on Azure VM

I am pretty new to DNS and the like and am a bit stuck. I have an XMPP server that is hosted on an Azure VM. I need to add an SRV record so that the clients and resolve the hostname from the JID but ...
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1answer
52 views

Mac unable to browse to any websites hosted at a single IP

I am unable to browse to any websites that are hosted on a single IP address - a reseller web hosting account that I manage, with a number of websites on it. This occurs in all browsers. Other ...
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16 views

A record pointed to an external ip + virtualhosts

Good morning, I have 2 servers (#1 and #2) My domain name is pointed to #1 and there in the DNS zone I pointed the "A record" to #2 IP address, (with this setup I can have mails on #1 and website on ...
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1answer
26 views

Internet drops - two routers handing out IP addresses?

My apartment block of 14 apartments share one fiber-optic internect connection. However, I've been having trouble setting up my wifi. I have two routers. 1) A D-link. This works out of the box, but ...
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30 views

IP not resolving to Domain Name

I'm using Apache as a web server, but can't get the IP of a subdomain to resolve to the domain name. My config is as below: /etc/hosts 127.0.1.1 store store 127.0.0.1 localhost ...
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4answers
2k 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 ...
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113 views

How to have access to iis server inside VM with Bridged connection

I have a LAN, and I have several machines connected to that LAN. In one of the machines i have a VM that has installed Windows Server 2012 R2 and has several iis sites running in it. I want to have ...
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2answers
62 views

How can I find the name of an MSA server if all I have is the domain name?

Edit (it wasn't clear what I was asking): I wanted to send email to my Verizon address by submitting it from my home network to the Verizon MSA. So my question was: how can I find the name of an MSA ...
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2answers
15k views

How to get VirtualBox VMs to use host's DNS?

I use VirtualBox for my VMs. My office network setup is wireless, i.e. I connect to my company's WiFi network, which has a local DNS to resolve local names (such as something.mycompany.com going to ...
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5answers
4k 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
30 views

Wrong dns suffix is appended

I use Win7 inside a vpn, and my organization have a few dns suffixes that are used: a.myorg b.myorg c.myorg and I'm using the server server.c.myorg. And some of the time when I do ping server, the ...
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1answer
189 views

How to Diagnose Firefox DNS Issues

I'm currently running Firefox 34.0 and Chrome 39.0 on Ubuntu 14.04. Firefox is presenting with extremely slow DNS look-ups that aren't occurring in Chrome. In order to repro, I've shut down both ...
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1answer
48 views

How do I simulate a DNS server returning a SERVFAIL in response to a A query?

Goal When an A query returns an NXDOMAIN response, my java app throws an UnknownHostException. I would like to know if a SERVFAIL response from DNS servers caused java to throw this error as well. ...
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1answer
61 views

How to configure DNS servers manually on Ubuntu server via bash?

I still want to use DHCP to obtain IP4 and IP6 addresses. DHCP delivers DNS servers I want that the DNS servers from DHCP are ignored and two servers I specify manually are used instead. Must be done ...
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1answer
63 views

Reroute direct DNS requests on OpenWRT

On my router with OpenWRT, I use dnsmasq for DNS poisoning to block ads. If the host is on the list, the router replies to the DNS request with 192.168.99.99, which only and always serves a 1x1 ...
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2answers
40 views

nslookup can't find server

My Linux host name is Jenkins, but why it can't find it? admin@Jenkins:~$ nslookup Jenkins Server: 8.8.8.8 Address: 8.8.8.8#53 ** server can't find Jenkins: NXDOMAIN I googled ...
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0answers
55 views

DNS Search Suffix: Multiple domains, multiple DNS servers

I'm at work connected to workdomain.com I use a client VPN connection to connect to homelab.com Now if I ipconfig /all I get: Windows IP Configuration Host Name . . . . . . . . . . . . : ...
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1answer
47 views

How to check if the server I'm connecting to is owned by Google?

On my home machine, google.com resolves to 46.134.200.108 (public100460.xdsl.centertel.pl). WHOIS for that IP indicates that it's owned by Orange, which happens to be my ISP. On my VPS, google.com ...
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233 views

firewall detecting outgoing connections of weird hostnames

Recently, I am monitoring every outgoing connection with the help of my firewall. Sometimes when I want to connect to the Internet I receive alerts that some strange looking hostname is going to have ...
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1answer
30 views

How can I bypass dns for one hostname on one wifi network

I'm a complete beginner when it comes to network administration, and am trying to speed up a connection when possible. I have a service on my laptop configured to connect to my server over the ...
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6answers
37k views

ping can't resolve hostname, but nslookup can

ping tells me that it can't resolve some hostname ("ping: unknown host domain.company.local") in a URL but when I use host or nslookup on the same computer on the command line, the resolutions works ...
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1answer
30 views

Use my home's public DNS hostname and port forwards internally

On my home gateway/router, I have multiple services running on various ports (SSH, IP camera over HTTP, etc) exposed to the internet via port forwarding. I also use these services internally while on ...
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2answers
1k views

In OS X, how can I prepend 127.0.0.1 to the list of DNS servers obtained through DHCP?

I am trying to use dnsmasq to resolve certain known domains using its configuration, but let the rest of the requests go through to the normal DNS server assigned by DHCP. I cannot get this to work. ...
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1answer
50 views

Ubuntu can't connect to IPv4 sites, and some very odd network behavior

I'm on Ubuntu 15.04 with Chrome up to date. I've been having a strange problem recently. My internet connection is wireless broadcasted from DSL (AT&T U-Verse to be exact). Viewed with ifconfig, ...
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1answer
49 views

Where in the world is 206.132.169.217?

I'm guessing some sort of location registration (at least specifying the country) is required for any public numeric IP address and tried ARIN since I believe this router is in Seattle. ARIN only ...
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1answer
172 views

Setting more than one backup DNS server on windows

I want to add more than one backup DNS server (more than 2 total) on windows, but there doesn't seem to be a way to do this with the UI. Can I do it through the registry or powershell or something?
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3answers
4k views

How to know if your computer is hit by a dnschanger virus?

The Federal Bureau of Investigation (FBI) is on the final stage of its Operation Ghost Click, which strikes against the menace of the DNSChanger virus and trojan. Infected PCs running the ...
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1answer
41 views

List all entries (Machines and IP) in local DNS? Basically nslookup for all machines

I'm hoping someone can help. I'm struggling to work this out and hope that there is a simple way around it. I'm trying to get a list of all machines in a local DNS server. For the purposes of my ...
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1answer
33 views

Getting redirected to us.yhs4.search.yahoo.com/yhs/errorhandler : How to change that?

If there is an error in an URL or the network is down my browser is always redirected to us.yhs4.search.yahoo.com/yhs/errorhandler (possibly with a longer URL, but that is the base). I used to get ...
5
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1answer
4k views

nslookup returns the right IP, ping still goes to the wrong ip

Ok, so here's the setup. Laptop is connected to our company VPN (Juniper Network Connect 7.2.0). There are two DNS Search suffix's (domain1.com, domain2.local). From that laptop, while connected, ...
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38 views

Why am I still getting blocked by OpenDNS?

My network is blocked by OpenDNS. I know I can manually edit the host file, but that doesn't help with Bittorrent. I've tried setting up my computer with Google's Public DNS, but when I test it ...
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0answers
50 views

How do I fix my mac so that resolv.conf does not get overwritten by any VPN software?

I'm running Mac OSX Yosemite and am now having issues with my VPN since installing OpenVPN. I recently installed OpenVPN to connect to a new VPN setup. I have Junos Pulse to connect to another VPN as ...
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2answers
114 views

How to passthrough Wifi DNS and internet access to DHCP client

I have a laptop that connects to wifi for internet access. This computer is running Linux (Fedora), and it is acting as a DHCP server for another (ubuntu linaro) computer that does not have a wifi ...
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1answer
22 views

Custom DNS server. How they reach each other?

If I have a domain, say example.com at GoDaddy, and a dedicated server, say, 123.123.123.123. I created 2 records in my named server inside my dedicated machine telling to point ns1.example.com and ...
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1answer
34 views

OS X only picks up 1 of 3 DNS servers from DHCP on DD-WRT

I am running a DD-WRT router, and in the "Network Address Server Settings (DHCP)" section on the "Basic Setup" page, I have entered values for "Static DNS 1", "Static DNS 2", and "Static DNS 3". On ...
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1answer
33 views

Insert Hyperlink to an IP Address

I can open a browser (Chrome or Firefox or Internet Explorer) and enter an IP address in the Address bar, say: 134.170.185.46 and the browser will open the website (Microsoft.com) directly - ...
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1answer
81 views

DNS problems from command prompt

I can't get a network connection when using the command line for some reason, even though it used to work. I think it's a DNS problem because I can ping 8.8.8.8 but not google-public-dns-a.google.com: ...
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1answer
34 views

Updated DNS zone can't be seen from my local network

I have updated a domain name DNS zone on 123-reg.co.uk where I bought the domain name. I have only updated blog A record to different hosting(IP) On my PC home (windows) or another PC in the same ...
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0answers
18 views

Network DNS Cache - Typical Update Time [duplicate]

I recently set up a new website, and attempted to access it before it was fully set up - resulting in a DNS error. Fast forward 24 hrs, the website is fully set up and accessible via my mobile and ...