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

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58 views

Shared folder not accessible

I and another co-worker have run into a problem where a shared folder is not accessible. Error "Open Folder - \server\share is not accessible. You might not have permission to use this network ...
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1answer
25 views

Is there a difference between using my router as a dns server or setting it directly on my pc?

I have pfsense. On pfsense my dns is set to 8.8.8.8. Right now, on my computer my dns is set to 10.12.1.1 which is the gateway for my router. Is there any difference between setting the DNS on my ...
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1answer
59 views

Browsers seems to ignore the hosts file while ping works?

I am trying to make xyz.com always map to google.com (216.58.219.206) on my machine (OS X El Capitan). Made the following changes to the /etc/hosts file: 216.58.219.206 xyz.com I've cleared the ...
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1answer
49 views

DC can't address correct DNS to workstations [closed]

Domain Controller has an IP of 192.168.0.10 Gateway is 192.168.0.1 A an old Linksys Router WRT120 was temporarily given an IP address of 192.168.0.120, and a default gateway of 192.168.0.1 it was ...
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1answer
23 views

How can I configure my domain in order that it works?

I have some webspace and registred a domain for that. My webspace provider said: Change your A- and MX-record to our IP 95.25.229.11 (modified) You can also apply the IPv6 address: ...
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2answers
51 views

Domain forwarding for domain that is both internal and external

Seeing as I’m on the same network as my company’s webserver I have set up an internal domain server (Windows Server 2008 R2) to forward request to our domain to the correct internal IP (i.e. ...
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15 views

How to have the same machine names for local and VPN networks

I have a bunch of machines in an OpenVPN network, including laptops. Sometimes they are on the same local network, sometimes not. I'd like to have a mechanism to give them local DNS names such that ...
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1answer
26 views

changing DNS setting doesn't seem to have any effect

I am currently on Windows 10, and trying to use dnscrypt to proxy my DNS lookup from port 53 to some other port so it will bypass transparent DNS. however, when I change my windows DNS setting to ...
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1answer
42 views

Destination host unreachable when using ping<hostname> but no issue with ping <ipaddress>

I have 6 VMs with CentOS called n1, n2, n3, n4, n5, lnx-app1 with the below IP addresses: n1.xyz.com = 10.10.100.101 n2.xyz.com = 10.10.100.102 n3.xyz.com = 10.10.100.103 n4.xyz.com = 10.10.100.104 ...
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56 views

Connecting to a VPN over a Crossover Cable - DNS Issues

My Issue Hi. I am trying to connect a PS4 to my VPN which I am running on my Mac. The Mac is connected to WiFi, and is using PureVPN. The mac is then connected to the PS4 with a crossover cable. ...
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153 views

How to setup my linux machine as a dns proxy server

I have enabled ip forwarding in my kali linux machine and have set that machine's ip address (192.168.43.88) as the default gateway on a second machine (192.168.43.234) in the same subnet. Primary DNS ...
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54 views

How to use DNS alias as sender address for sendmail

I have the following setup: My Ubuntu (14.04) server gets a host name from DHCP (real.host.de) and there is a DNS alias (alias.host.de) that points to this host name. Now I want to configure ...
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2answers
65 views

How can I use multiple DNS providers and have them be “valid”?

I use my registrar's DNS offering, and am quite happy with it - but there is no API access to their system. However, I would like to be able to also use my hosting provider's DNS system (which is ...
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1answer
33 views

How to set TCP/IP and DNS settings for individual Wi-Fi networks?

I'd like to have different IP and DNS settings for different Wi-Fi networks. How can I do this in Windows 10?
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0answers
55 views

Haven't found DNS Unlocker in the Task Manager. Where could it be?

This morning I found DNS Unlocker on my workstation, and since then I am trying to remove it. I guess, I visit some wrong website yesterday during the lunchtime. I really need help with this. There’s ...
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0answers
25 views

Windows Server 2012 R2 not presenting hostname to network

Environment is all Windows, non domain, including one host, five VMs, and three PCs. The Host (and periodically, one of the VMs) will not broadcast their hostnames across the network. Meaning, I ...
2
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0answers
72 views

Why can I ping machines using the .local suffix, but not without?

My local network uses a .lan suffix. I would rather not use any suffix at all, but apparently pfSense doesn't permit this. I am running Windows, MacOS and Linux systems on this lan. Most of my ...
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11 views

How to obtain the proxy resolver configuration of a Virtualbox VM

Virtualbox provides two configuration flags to modify the DNS behavior of the NAT engine for a virtual machine: VBoxManage modifyvm "VM name" --natdnsproxy1 on VBoxManage modifyvm "VM name" ...
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1answer
18 views

Site unreacable after mapping domain DNS to AWS Elastic IP

I am following different tutorials to have my blog setup and working. I installed the WP on AWS which was working fine. Then I created Elastic IP and used that IP in my domain dns (hover.com). I used ...
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27 views

DNS stops resolving after few minutes. On WiFi only

I have Windows 10 x64 Enterprise. This happens only on WiFi network. Doesn't matter if I'm using build in or USB adapter. I tried using Google DNS, Open DNS and default DNS. Doesn't matter which one ...
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40 views

Better to block a host to 0.0.0.0 than to 127.0.0.1?

I have a few hosts that I would like to block in my /etc/hosts file. For that I need to define a bogus IP address that the DNS queries get resolved to. Most of the tutorials I saw so far all mention ...
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1answer
33 views

How to navigate to a subdomain without specifying the domain? (in a web browser)

I want to be able to navigate to my home network's web server from my browser without having to type in any domain or top level domain. For example, I want to type: http://mylinuxbox/ and have it ...
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1answer
15 views

Routing requests to my local domain's www to an external www server using bind

Goal I want to get my web browser to display the contents of the page at http://www.google.com when I navigate to http://www.domain.tld (leaving the latter in the browser address bar after loading). ...
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49 views

Linux VM DNS stops working when host connects to Cisco Any connect

I have a Linux (Xubuntu 14.04) VirtualBox VM inside a Windows 7 host. I have the network set up as NAT (and bridged is not an option) and I also have a host-only connection. When not connected to my ...
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99 views

What's wrong with RDP Windows 10 client?

Connecting to Windows Server 2012 via Windows 10 Enterprise. When I connect using .rdp it will connect very slow when I enter a specified domain name (which has been added in our internal netwerk). ...
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2answers
31 views

Where is DNS cache located on Windows 8.1?

I'm reading about DNS cache and particularly about ipconfig /flushdns command. There are many resources out there - QA, blogs, sites - that explain what is DNS cache but none of them say where DNS ...
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1answer
93 views

No external DNS when connected to Cisco VPN and tethered

I use Cisco AnyConnect to access a VPN for our main vendor. I use it on my desktop at the office every day. Today I'm working from my laptop at home but due to internet slowness I tethered my laptop ...
2
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0answers
20 views

Is there a way to failover mount.cifs to new ip address recorded in the DNS?

Is there a way to failover mount.cifs to new ip address recorded in the DNS? Consider this scenario: mount.cifs -o user=test //fileserver/share1 /mnt move "fileserver" to second server with new IP ...
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21 views

Incorrect WINS record on Linux for NetBios, removing bad WINS record

So I have a Ubuntu 14.04 server that I'm trying to get to run as a Domain Controller for a set of Windows machines. I've set up a Bind9 DNS and it works fine, pinging the nameserver gives the correct ...
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28 views

Having two IPs for same hostname in hosts file

Request I would like to have my hostname let's say hostA resolve to IP1 if i am at home and IP2 if i am remote Is it possible to have two IPs for the same hostname so that it tries them both and takes ...
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117 views

Outlook 2016 determine if Autodiscover is being blocked by Internet connection or if something isn't configured correctly with DNS

I have a client who has multiple devices connected to the Internet provided by the building owner (they rent the office). Devices are connected via wireless and by Ethernet. Personal devices such as ...
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1answer
55 views

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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105 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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32 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
33 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
47 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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1answer
29 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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48 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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1answer
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
51 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 ...
0
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1answer
42 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. ...
0
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0answers
19 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
80 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 ...
0
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1answer
134 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
32 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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100 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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28 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 ...
3
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2answers
57 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 ...