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

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6
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VirtualBox - guest Ubuntu loses DNS when host connects to VPN

I have Ubuntu guest OS in VirtualBox using default NAT for eth0. Works fine at the office and at home EXCEPT when on office VPN from home. When the host OS (Windows 7) is connected to the VPN, DNS ...
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3answers
4k views

Set up a website on my internal network and access it with a domain name instead of IP

I have a small local network, with the following devices: a Belkin n150 router (older generation), a Dell laptop running Ubuntu 14.04 LTS (GNU-Linux 3.13.0-24-generic x86_64) as my server, and another ...
0
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0answers
14 views

Redirecting wildcard domain to local ip address

I try to have my local workstation redirect a complete wildcard subdomain to a specific ip address. I run VirtualBox on my CentOS 7.2-1511 which provides a VM on 192.168.11.11 (for those interested: ...
0
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1answer
29 views

Blocking the ISP's ads appearing after a possible DNS grab and redirect via port 53?

I'm asking this question here because I already asked it on ProWebmasters and the moderators said the people on SuperUser might be able to answer it. The question: http://webmasters.stackexchange....
1
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1answer
217 views

SPF Records causing too many DNS lookups

I'm just setting up SPF records on our DNS server and have run into the problem that there are too many DNS lookups occurring. My SPF records include the mail server (outlook), Mailchimp (for email ...
4
votes
2answers
6k views

How to trace the route of a DNS query?

... up to the DNS server that answers it? When I use the public DNS server provided by Google (8.8.8.8), this is the DNS server reported by "nslookup" (8.8.8.8), however the www.dnsleaktest.com ...
1
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2answers
50 views

How do I completely flush dns on windows 10?

There's a domain that my PC keeps resolving to 127.0.0.1, I made sure my etc/hosts file does not contain that domain, and I kept running ipconfig /flushdns, but the domain still resolves to 127.0.0.1. ...
0
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1answer
20 views

Can dnsmasq resolve specific domain by more than one server?

Consider company compx has the domain compx.com and without special configuration, dnsmasq can resolve computers in this domain just fine. Now I log into the VPN of compx.com with vpnc. Instead of ...
1
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1answer
44 views

Reverse DNS zone not working publicly

I set up a dns server to run publicly and everything is running ok, except for the reverse zone, which locally is successful but doing the query in any other dns gives the following error: root@ns1:/#...
0
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3answers
3k views

How to send an HTTP request for a certain domain name to a specific IP address?

For testing purposes, is it possible to circumvent DNS and send an HTTP request for a certain domain name to a specific IP address? For example, let's say you are building a website for example.com ...
1
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1answer
26 views

BInd9 not woking with ipv4 by default

I have an Debian running Bind9 with many logs like error (network unreachable) resolving so set -4 in /etc/default/bind9 but not forced to work with ipv4 look the /etc/default/bind9 # run ...
0
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1answer
36 views

how to block connection to a domain in firefox

i need to utterly block a domain from even being connected to. obviously, addons wont work, since those only check the URL of the site the browser is navigating to, not domains the browser is ...
3
votes
2answers
189 views

NETGEAR DGN2200v2 router's DNS server not working properly

I have configured my DGN2200v2 to do the following: Reserve the LAN address for my mac to 10.0.0.11 Use 10.0.0.11 as primary DNS server, and 8.8.8.8 as secondary Now I would expect the router to ...
0
votes
1answer
3k views

How to log all DNS requests made through OpenWRT router?

I have an OpenWRT router that is running dnsmasq. I want to create a file that has each domain that has been requested through the router. My output should looks something like this: google.com cnn....
0
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0answers
29 views

Shrewsoft VPN software not resolving server names after establishing tunnel

We have a Cisco ASA 5510. We installed the Shrewsoft Client 2.2.2 on a Windows 10 64bit machine. Prior to joining the machine to the domain, everything worked fine. It was resolving names to the ...
3
votes
1answer
37 views

Why would my TP-Link ADSL+Router not allow my computer to access Internet?

So, my workplace got a new TP-Link Modem+Router installed a few days back and it's giving me trouble ever since. Everyone's computers and other devices can access Internet via the router, even I can ...
1
vote
1answer
104 views

DNS error when connecting to router via IP

Today, I tried to connect to my router using it's IP (192.168.x.x) and I got a ERR_NAME_NOT_RESOLVED on Google Chrome / Windows 10. I do use Google's DNS server (8.8.8.8;8.8.4.4), but the issue did ...
0
votes
1answer
16 views

bind9 as local caching name server and /etc/resolv.conf

I'm trying to set up BIND9 as a local caching DNS server. I'm about to do that on all my systems: Linux, SmartOS, Mac OS X. Seems like it's quite easy to setup bind for that. My question is: Do I need ...
3
votes
2answers
74 views

Unable to receive external emails

Our domain subscription was cancelled this morning due to an expired credit card on the account. A slew of problems followed. We got our domain back up and running and Most of the problems have been ...
0
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1answer
15 views

Restrict|Limit DNS Nameservers

I'm running local DNS (BIND9 on primary and secondary Ubuntu servers). On my Ubuntu desktop, however, I've noticed that while it usually seems to be resolving addresses properly with the local DNS ...
2
votes
6answers
4k 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 ...
0
votes
1answer
35 views

Can access the host via browser or cUrl but cannot ping

C:\>curl.exe http://google.com <!DOCTYPE html><html><head><title> ... </html> C:\>ping google.com Ping request could not find host google.com. Please check the name ...
0
votes
1answer
109 views

DNS service discovery using Consul in Docker Swarm

I'm trying to get service discovery working using consul DNS. I've set up a docker swarm with a consul cluster functioning as the key/value pair backend required by swarm as well as functioning as the ...
0
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0answers
48 views

How to block the DNS query on DNS server from Windows machine

We have windows 7 machine which was on domain(Windows 2008 server) but Now We have to remove the Windows server from network and we can't remove the domain from client machine. Setup the another DNS ...
3
votes
2answers
520 views

nslookup returning fake results for one particular domain

I've just noticed some very strange and concerning results when I attempted to do an nslookup for a one of my domain names from one of my hosted virtual servers. The domain [mydomain].info is ...
0
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0answers
20 views

Unbound DNS: Setting up an NFS Share to Bring `/dev` into the Software's `chroot` Jail

NOTE: This question follows up on the question 'Unbound DNS: Troubleshooting/Resolving Unbound Configuration Problems?'      Like this question's title says, I'm trying to ...
0
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1answer
32 views

Unbound DNS: Troubleshooting/Resolving Unbound Configuration Problems?

     Every time I try to launch the Unbound DNS server via Homebrew Services with the command 'sudo brew services start unbound,' I start seeing log entries of the following ...
0
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0answers
16 views

How to use one automatic and one manual dns entry in windows?

For many days I've seen DNS issues with the WiFi network in our hostel. So I wanted to use the Google DNS server. But when I go to office, office DNS should be used otherwise internal sites won't ...
1
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1answer
35 views

Confusion regarding DNS query vs HOSTS file

With the subject, I have windows/linux machine and In which installed virtualbox and setup 192.168.11.19 ip and entry www.abc.com in hosts file. We have setup DNS server/filter on network and setup ...
0
votes
1answer
5k views

domain MX record not found while installing Zimbra

I am getting this error: DNS ERROR resolving MX for localhost.localdomain It is suggested that the domain name have an MX record configured in DNS Re-Enter domain name? [Yes] named file: $ttl ...
-3
votes
1answer
16 views

Multiple Name Servers on one Domain

Is it possible to have two sets of nameservers for one domain... e.g. ns-1382.awsdns-44.org needed for site running of AWS and NS29.DOMAINCONTROL.COMNS30.DOMAINCONTROL.COM required by another ...
3
votes
6answers
21k 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 ...
0
votes
1answer
11 views

move from old hosting company to AWS

I have a website www.website.com, it is hosted with company A, I have built a new site on AWS with a temporary URL www.tempurl.com I want to make it so www.website.com points at the new site. I want ...
0
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0answers
36 views

nslookup is automatically searching for FQDN

i set up test.com domain and DNS on windows 2012 server. i join test.com domain from windows 8.1 PC and using internet everyday. everything was fine. but, this morning, the internet sharing from ...
2
votes
1answer
3k views

How to block specific sites on Asus wifi router?

I have this router (Asus Wireless-N300 Router). Also I have Windows 7 workstation and ipad 4. The workstation is connected to router with help a ethernet cable. Ipad 4 gets internet on wifi. I want ...
0
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1answer
61 views

DNS resolution differs between ping and browsers

I've been in charge to move a web servers from our office to a datacenter. Its IP has changed, and I have updated the DNS accordingly. This was 6 days ago. Lets say its DNS name is customerarea....
0
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1answer
62 views

Windows 10 VPN is not using DNS suffix in lookups

Our VPN is configured to send the domain-name-server and domain-search parameters from our DHCP server to connected clients. However, we've been experiencing issues with the domain name resolution - ...
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0answers
67 views

Wifi access point no internet connection

Situation There's a intranet with access to the internet. However, you can only gain access to this network, and therefore the internet, if your device has a whitelisted MAC address. This is no ...
0
votes
1answer
125 views

OpenWRT Chaos Calmer 15.05 DNS forwarding, custom DNS Server, DHCP option - nothing works

Okay, so essentially I'm trying to only forward one very specific address over one of those geo unblock dns proxy services. Namely Pandora.com. Don't judge, I like their raido stations better than ...
1
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0answers
16 views

How to set up dnsmasq on PC to mimic router's comfort functions?

I want to move the DNS functionality from my router to a PC running dnsmasq on the network. The basic setup is up and running, but I am missing the following functions the router had implemented: ...
0
votes
1answer
13 views

Mapping device hostnames to DNS automatically in DDWRT

I already know how to accomplish this manually using a host file and static ip addresses I want to map all hostnames to their IPs with a DNS entry MY-COMPUTER -> my-computer.local -> 10.0.0.1 ...
0
votes
2answers
3k views

Setting up a DNS server

My dad is currently using a VPN into my server (running Windows Home Server 2011) so that he can access iPlayer from Portugal. He's been looking at Netflix and while I have 100mb internet, I'd rather ...
5
votes
1answer
3k views

Windows 8 Chrome DNS issue

Sometimes when I want to visit random site I get "The server at www.something.here can't be found, because the DNS lookup failed" which looks pretty standard. When I go to "chrome://net-internals/#dns"...
16
votes
4answers
30k 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 ...
5
votes
2answers
9k views

Why does yum update fail in CentOS 6.4?

I am using CentOS 6.4 in a corporate lab, and the yum update fails with the below error: I am able to access the same repositories through the browser. [root@LAB1 ~]# yum update Loaded plugins: ...
0
votes
2answers
512 views

How to configure Sophos UTM to mask an internal ip with a DNS name

I have a CRM software which runs on Apache on a separated network at a 10.10.10.10 ip while my local network is at 192.168.1.0 range. I also have 10.10.1.0 range for VPNs which are only can connect ...
6
votes
1answer
499 views

Acrylic DNS Proxy not resolving

So I recently had an update issue where I landed up downgrading to Windows 8. As I need to do my work, I have re-installed my XAMPP server as well as Acrylic DNS Proxy. Unfortunately, Acrylic is not ...
0
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0answers
21 views

Squid proxy, reacheable but sites still bocked by dns

I wanted to host a proxy on one of my PC, and so I installed and configured Squid on it. I want to use this proxy to bypass web URL filtering from another position. I can reach my PC, but there is a ...
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0answers
12 views

List of things to mind when browsing through ssh socks proxy securely? [closed]

I'm using firefox with foxyproxy and I noticed that, if I'm not mistaken, foxyproxy will BY DEFAULT attempt to resolve all DNS locally, which of course to my great dismay, defeat the entire purpose of ...
0
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1answer
31 views

Can Windows 7 acquire DNS from IPv6-Router-Advertisement?

I am playing around with IPv6. Usually, Router Advertisements transmit the prefix and gateway for SLAAC. Since DNS is quite essential, since 2010 RA should also be (optionally) able to transmit the ...