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

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How to setup a CNAME (alias) for a machine on my home network

I want to do this to: test name based virtual hosting provide friendly machine names to other users of the network. My home network is behind a Synology RT1900AC router if that is relevant. What ...
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97 views

How do I resolve Chromium: DNS_PROBE_FINISHED_NXDOMAIN when DNS appears to be working normally outside Chromium?

I am using the Chromium web broswer on OpenSUSE 13.2. Occasionally I encounter an issue where trying to access any website results in a DNS_PROBE_FINISHED_NXDOMAIN error. This error persists on all ...
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0answers
30 views

Tracert public address before internal address

So, I have been having problems with Frontier's 74.40.74.40 and 74.40.74.41 DNS servers essentially hijacking certain websites like Google over SSL (gives security warning) and have been trying to ...
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1answer
30 views

Cannot ping FQDN, but can ping IP and can update

Ubuntu 14.04 on machine behind a router and switch along with numerous other devices. Nothing is behind the server at this point (though everything used to be, thus the two interfaces configured as ...
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1answer
45 views

How to reach LAN website by domain name?

I have a PC, router and smartphone. PC has a website, that can work only by domain name. I need to reach website with smartphone, when it is on the same network. I've started a DNS server on PC ...
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28 views

Adding a record to google's DNS same as registering a domain?

Is adding a record to google's dns server lets say, Example.com -> 127.0.0.1 going to be the same as buying a domain from domain name resellers? Since most ISP do add that DNS server to their ...
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47 views

How to reconfigure NAT servers so they are exposed?

Here is what I have: Live HTTP server (104.x.x.x) DD-WRT'd wireless router (192.168.2.1 / 8.8.8.8 DNS server) Win 8 Notebook PC (192.168.2.100) VMWare BIND DNS server (192.168.3.108 / NAT on ...
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19 views

understanding excessive DNS traffic to cron.sh

I noticed that my domain cron.sh is receiving more than a million DNS requests a month, exceeding its dyn.com quota. Set up djbdns for it and observe that thousands of hosts around the world want its ...
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1answer
48 views

How do I create rDNS (Reverse DNS)

How to create rDNS (Reverse DNS), I am using Centos 7.0 and I need to create rDNS for 50 IP's and domain. Can you please guide me how can I create. Example. Example.com - xxx.xxx.xxx.xx0 ...
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1answer
35 views

iptables: is it possible to combine “string” and “mac” modules results?

I have a raspberry pi running dnsmasq. I configured all my local devices to use this device to resolve DNS queries. I like to block certain devices using their MAC address from certain queries. ...
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18 views

Hotspot on linux computer, trying to forward addresses of certain pages to other addresses

I set up a hotspot on my ubuntu 14.04 using plasma-nm(kde-nm-connection-editor) 1 and made some restrictions in /etc/hosts2. The restriction applies on the laptop(jumps to local host instead of ...
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1answer
68 views

How to redirect certain website on my wifi network?

I am trying to find a way so that on my wifi network I can restrict the access of site like facebook I can do this using parental control . Is there any way so that I can redirect to certain host or ...
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1answer
119 views

nslookup times out when result is 127.0.0.1

I have set up a subdomain with an A record of 127.0.0.1 (set up more than 24 hours ago at the authoritative server, just like how I would set up a normal subdomain) for the sake of development. Let's ...
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2answers
30 views

connecting to a domain controller / when logging into computer

When I am login into my computer, I can see that it is joined to a domain -> company.local So I am thinking well, company.local will be resolvable by an internal DNS to a domain controller's IP, so ...
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85 views

dd-wrt dnsmasq working only immediately after flushdns

It's been a couple of years since I have a DNS configured in my dd-wrt router to 2 specific sites that I need to access and they're restricted in my provider. I've never changed any configuration, ...
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27 views

Google Services doesn't work with google DNS

I use DSL at work and home, from the same ISP. I have the same router with exactly the same model at both locations. I Have configured the two routers with the very same configuration except the ...
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0answers
27 views

Logwatch showing Named host unreachable

I'm new to system administration and wondering what this means in my logwatch report. I run a DNS server for my domain name and have recursion set to no and allow-transfer to none. Is this someone ...
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31 views

PC can be 1 server DNS but not the other

So we have a Windows 7 Embedded Thin Client out on our production floor. It has been out there for a few years and never had any issues with it. We have an ERP server that the users access the ...
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2answers
53 views

How do I figure out what's caching the DNS for a specific domain?

I'm using linux (openSUSE 13.2) on my computer and my router is DD-WRT. There is a domain that, when I ping, keeps returning the wrong IP address. My Router has the domain name server as Google's ...
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1answer
35 views

Redirect certain domain to personal domain via dns

I'm trying to redirect all traffic requests from a domain that I don't own to another one that I do via dns. But Acrylic can only forward to an IP, not a domain. Is there any way I can do it using ...
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3answers
102 views

How to test if DNS is working over IPv6

My two VPS servers host my DNS. I have it setup to work with both IPv4 and IPv6. I'm able to test IPv4 without a problem. How can I test IPv6? I tried entering the IPv6 address in ...
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40 views

Router / Windows + Linux + NAS / hostname service without Windows Server?

My network generally works well. I've got DHCP handing out IP addresses and a few fixed IP's for printers and NAS devices. I've got the following devices on my network all managed through wired and ...
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1answer
37 views

Win2012 DNS static redirects from C:\windows\system32\drivers\etc\hosts

currently I'm using static redirects to localhost in C:\windows\system32\drivers\etc\hosts for a low level and fast spam, maleware, ad, etc. protection. Since there is a Win2012 DNS-Server around I ...
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22 views

Ubuntu ping/search not working

I'm new to Ubuntu Server 14.04, and I'm trying to ping Google to see if I can reach the outside world. I have searched, but I can't figure out the problem. I'm connecting via my wireless router, not a ...
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1answer
56 views

Can I point an A class host record to a domain name instead of IP?

I recently registered my first domain name from GoDaddy, and want to point the domain to a website hosted in Azure VM. Azure VMs change their public IP if restarted, so I don’t want to point my ...
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30 views

Blocking Google DNS on GreenPacket Router

Here's my router's console for setting the firewall. I've been trying to set it to block Google's DNS addresses but I can't get it right. Can any one help and say what I'm doing wrong?
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143 views

Configuring IP over DNS with iodine

What I am trying to do I am trying to implement a IP-over-DNS tunnel using iodine by following both this tutorial and this one (further in this question I outline exactly which steps I took). I want ...
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1answer
40 views

WWW displays different IP than Non-WWW [closed]

When i ping the domain.com i get X IP and when i ping the www.domain.com i get Y IP address. I have added the nameservers on the domain host to point to my web server. The web server IP is Y. When ...
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1answer
50 views

How do I configure multiple domain with same IP but different port?

I plan to have several domains and map each domain to the same IP but different port Example: www.test.com should map to http://119.81.80.218:8888/ www.test2.com should map to ...
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1answer
33 views

Local DNS server for internal network & internet

I'm using OSX and at work, I'm connected to internal network (en0) and to the internet (en2). I made a script to alter routing table so only traffic on certain subnets are routed to en0, rest is ...
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40 views

Access service on subdomain in Kubernetes

I have following setup: Private OpenStack Cloud - o̲n̲l̲y̲ Web UI (Horizon) is accessible (API is restricted but maybe I could get access) I have used CoreOS with a setup of ...
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1answer
75 views

How do you change the DNS servers on a Raspberry Pi?

I am trying to change the DNS servers on a Raspberry Pi (running Raspbian). I tried nano /ect/resolv.conf and then put in nameserver 8.8.8.8 (Google DNS), but it does not appear to have been applied. ...
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1answer
17 views

Why update my domain's name servers to match the host?

I have a dedicated server with a static IP from "Company A" that I use to host my websites. All of the domains are registered and managed by "Company B". All I've ever done is update the DNS records ...
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3answers
44 views

how to specify A record of own domain in a zonefile

assuming that foobar.com is my domain, how do i specify the ip of "foobar.com" itself in my zonefile ? Below is my sample @ IN SOA myfoobar.com. hostmaster.myfoobar.com. ( 2001030201 ...
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123 views

Can't access some websites on Mac, but can access on iPad. Same network

When I try to access some of my sites (e.g. http://mono.company) I get a connection timeout. This only happens when I try to access sites that are on a certain server. On the same WiFi network, when ...
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1answer
50 views

Using sub-subdomains with bind

Can you put multiple levels of sub-domains in the main zone with bind? I have one zone called example.com and I want to create a sub-domain like host01.nyc.us.example.com. Can I make an entry like ...
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121 views

TP-Link router not serving local names as DNS

My TP-LINK router TD-W8961 obtains its primary DNS server from the service provider, which is ok for normal Internet access. Yet, when I ask it with nslookup for the name of a machine on the local ...
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23 views

Windows network interface dns registration enable via GPO(Automate).

I have the need to set the "enable dns registration" flag on the forticlient PPPoP wan adapter. Doing this manually can consume very much time in a large deployment. I would need a way to automate ...
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26 views

All web request hitting router web ui once raspberry pi comes online on the LAN

Linux noob here, but 18 years in Windows :) Recently installed volumio on my raspberry pi B. But once this machine comes online on LAN via wired or wireless, everyone else (all ...
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183 views

Port forwarding router to listen on node.js server on home computer

I have a domain name: www.domain.com I went to my registrar that holds that domain name and logged in. I setup a DNS record type A with my public IP address. Now if I go to www.domain.com, I'm ...
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1answer
149 views

One DNS server host two different domains with same NS record?

I'm running bind9 on Debian 8 x64 and want to host two zones for my web site: example.com example.net I configured the named.conf.* files, set up the db.example.com and db.example.net in the zones ...
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1answer
110 views

Redirect DNS requests using a router and iptables

I have a cable-modem-router from my ISP (Technicolor TC7210Z), and a bunch of wired and wireless devices connected. I want to change the DNS configuration for all devices, but I cannot change it on ...
0
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1answer
632 views

Piratebay ERR_SSL_VERSION_OR_CIPHER_MISMATCH

Since a few months ago I've been using proxy sites to access the pirate bay, but now I'm in need to create an account, and those proxy sites won't allow me to do that. The problem is because TPB is ...
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1answer
86 views

Hacked router affecting linux devices

The router of a friend of mine has been hacked, his android phone can't visit webpages with any kind of ads because it gets redirected to another site (this: ...
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1answer
66 views

Setup local domain for private network without editing hosts files

The Problem I host a local website at 192.168.1.2 using WAMP. My router is at 192.168.1.1 But i need a way to provide a hostname to this website. It is not feasible to edit the hosts file on each ...
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15 views

Nautilus could not create

I have installed BIND 9.0 after successfully installation it created one user called named Uid =25 Gid =25 I tried to login with this user but I'm getting below error messages Nautilus could not ...
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6answers
2k views

Windows 10 can't resolve hostnames - ping with IP works but not with hostname

Facts: The browser doesn't load any pages, whether they are addressed with IP or hostname. ping google.com doesn't work, returning Ping request could not find host google.com. ping 216.58.209.78 ...
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22 views

Setting up DNS, SOA and name server at home

I'm not a network expert, so I apology for any trivial question. I requested a domain name at eu.org which looks like mydomain.eu.org I want it pointing to one of my machine at home which happens to ...
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2answers
78 views

My DNS server queries root servers?

So, I have a DNS server and a host in a lab environment. When my host queries for the IP of an web-address, like www.[somewedishwebsite].se (Swedish domain), it first queries my DNS server with IPv4 ...
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1answer
39 views

Wireless and Wired network interfaces Windows 7 route table

I have my laptop connected to wifi for internet and Ethernet for private network. I want to be able to connect to both. I know that my private network range is 10.x.x.x so I added a route rule to ...