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

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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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27 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 ...
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13 views

Mass mailing, server providers and more [on hold]

I'm looking for some information about launching mass mailing software. !IMPORTANT! I'm talking not about SPAM, because all mail templates will be confirmed by administrators, so it prevents ...
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10 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 ...
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12 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 ...
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22 views

Internet works sometimes, but then stops allowing access to sites. Skype still works.

I've heard problems like this arise out of DNS errors or something, but as my name suggests, I'm confused on the topic. I contacted my ISP and they told me to directly connect to modem, which fixed ...
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48 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 ...
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10 views

Acrylic DNS Hosts not refresh

I've installed current version (0.9.31) acrylic DNS on Windows 8 machine and set DNS address to 127.0.0.1 in TCP/IP v4 settings. Then I added in ArcylicHosts entry: 127.0.0.1 *.dev for wildcards. ...
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17 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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List of things to mind when browsing through ssh socks proxy securely? [on hold]

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 ...
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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 ...
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33 views

How does Chrome load the IP address for a domain that I have blocked in my hosts file?

I'm trying to block domains in the hosts file, but Chrome is able to load the pages anyways. How is this possible? The blocks have been in place for weeks. I have the option 'Use a web service to help ...
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1answer
23 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 ...
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12 views

SSLH multiplexing - custom protocol (DNS)

I am using SSLH multiplexer for SSH and OpenVPN, but i need to use it for DNS server also (I am multiplexing everything on port 53 - I can't use another port). I've read that SSLH can do this (using ...
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32 views

Same server address from inside and outside a LAN?

I have a fairly ordinary setup: A Domain Name points to my IP address and my router port-forwards specific ports to dedicated server devices inside my LAN. This allows users to access those services ...
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1answer
26 views

DNS - Multiple Root TXT Records

My email provider has requested that I add the following DNS entries: @ 600 IN TXT "v=spf1 include:spf.myemailproivder.com mx ~all" @ 600 IN TXT "verification=128763812763817638163" However, my DNS ...
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2answers
164 views

Cannot access site from PC via Windows or Ubuntu

I have been unable to access a social network site: vk.com, since yesterday evening. At first I thought maybe it's just some virus or hosts problems etc, but I've checked everything and it's fine, and ...
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25 views

How to set up a network in Windows 7 to let others can access an internal Linux server?

I have two machines. Machine 1 (denoted as M1) is Windows 7 and has two network cards. Machine 2 (denoted as M2) is RedHat 6.5. In M1, the first network card is connected into the Internet and the ...
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9 views

Why is my CNAME not working?

On PowerDNS on a Raspberry file, my zone file contains: $ORIGIN abc.co.uk. $TTL 1h @ IN SOA ns.abc.co.uk. hostmaster.abc.co.uk. ( 1; serial 1d; refresh 2h; retry 4w; expire 1h; minimum ...
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15 views

LAN DNS timeout when not logged in to domain controller

I have a computer that sits on two LANs (different NICs), each has a domain controller. I log in to DC1, and can access the DNS that sits on that network. I can also ping the DNS on DC2 but I can't ...
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63 views

Why cannot I ping computer name without dot?

In my home network I have a dhcp server and a dns server running on a router. Dhcp and internet access are working fine. I have for each device on my home network a dns record that associate some ...
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28 views

Why do I need to add a period after hostname in order to get DNS resolution to work?

C:\Users\david>nslookup home-pi3 Server: UnKnown Address: 192.168.1.1 Name: home-pi3 Address: 192.168.1.81 C:\Users\david>ping home-pi3 Ping request could not find host home-pi3. Please check ...
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28 views

Private browsing HTTPS page is redirected to HTTP

I am using Firefox 46.0.1. When I go to https://chriszarate.github.io/supergenpass/mobile/, everything behaves as I would expect. When I visit the same URL in a private tab, I am redirected to ...
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14 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: ...
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44 views

How to configure DNS on Mobile Broadband Interface using command-prompt on Windows 8?

I am using a HSPA USB modem which has two different modes. One which lets you install modem driver/software, and other which enables Mobile Broadband Interface on Windows. It's possible to set DNS ...
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27 views

Accessing local Windows machines by hostname on OSX

This is very similar to Referencing computers by their name between OS X and Windows operating systems but my question is of a different nature: I can see my windows desktop in finder as a "shared" ...
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29 views

Dual NIC Windows 7 on LAN with seperate DNS

I have a Windows 7 machine with two NICs and that sits on two LANs (neither is connected to the internet). On one LAN the DNS seems to work just fine, I am able to reach other computers on that LAN ...
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1answer
21 views

BIND DNS - updating the IP address of the NS record

I'm running a BIND9/Ubuntu DNS server on Amazon EC2. The DNS server was working great, until I decided to change the IP address on the server to a different one (using the elastic IP system.) Any ...
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1answer
22 views

Why does Windows Store need the DNS client service to run (Windows 10)?

On my Windows 10 computer (and apparently others), the Windows Store app (or just "Store") will not start if the "DNS Client" is not running - Error "0x80072EE7". Why? The "DNS client" service is ...
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46 views

I can access websites through the web browser, but I can not ping them or interact in various other ways

as of around two weeks ago I've been having really weird interactions with the Internet that I can't explain, but please keep reading. I've tried looking for the issue myself and haven't found ...
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2answers
52 views

Block a domain (with all domains) system-wide

I'm trying to block my computer from "accidentally" sending any requests to a certain domain I don't trust (and all of it's subdomains). I tried adding this entry to my /etc/hosts file: 127.0.0.0 ...
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Is it possible to configure a Mailman list using the same domain as a Google Apps account?

I have done some googling to find answers to this, but most solutions are over 6 years old, and subsequent comments on those solutions indicate that they do not work any more. I intend to migrate ...
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1answer
39 views

what do you actually buy when buying domain names [closed]

I've come up with an odd question. What do I actually buy, when I buy a domain name. I mean, domain names are just human readable IP addresses and the IP addresses must be provided by the buyer. Do I ...
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27 views

How to configure dnsmasq to send DNS server Info via DHCPv6

There is a known problem with a IPv6 Windows Client that it does not accept the DNS Server Info sent by Server via Router Advertisements, even though the IPv6 address assignment works. DNS Server ...
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1answer
59 views

Does my local computer work as DNS server?

I want to know if my local computer works as DNS server. I mean, when it tries to resolve internet addresses does it first look in it? Like, is there a DNS cache in Windows 7 or the internet browser? ...
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19 views

Specific websites won't load over AD-DS network, but will load the server (Win2k8)

I have a domain network running Windows 2008 R2 as server. Users are connecting to the internet through the server using RRAS (Users need to dial-up in order to access internet). the server has 2 ...
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30 views

Bonjour dns-sd and Avahi service visibility

I have avahi-daemon running on my BeagleBone Black machine (Debian Jessie). It is in the same network as my PC, but I wonder why when I register service with avahi-publish on my BBB, I cannot see it ...
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31 views

Why I need to modify “etc\hosts” to be able to open the website?

I have a web-server in my network which its IP is 192.168.249.10. When I try to open it using its IP address in the browser, I face the following result: http: https: As you see above, I can't ...
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5 views

Hardcoding dns adresses in dependance to network

I would like to save permanently dns addresses. According to link I added in /etc/dhcp/dhclient.conf proper line and in my home network everything works great. Problem is that when I am at my ...
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1answer
20 views

Loads of outgoing udp requests to dns server?

So for some reason my machine is making tons of UDP requests on port 53 to 8.8.8.8 and 8.8.4.4 (google dns). Is there some way to find out what's causing this? We're trying to clean up traffic on our ...
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Find third and n-th level domains in a network

In this page an example about how domain naming works is provided. The second-level domain is utexas.edu, then some third and fourth level domains are listed, like computerstore.utexas.edu and ...
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30 views

loss of Internet traffic via network security device

I can't get any Internet traffic in bridge mode. I'm using network security device named "Shield" made by Itus Networks which went out of business. The device is based on a Cavium Octeon Dual-Core ...
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78 views

ERR_CONNECTION_TIMED_OUT issue

I have this annoying error that appears when I try to reach websites while streaming on Twitch or Hitbox using OBS/Xsplit. ERR_CONNECTION_TIMED_OUT appears for every website I try to reach only when ...
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15 views

WMIC Fails When Connecting to Computer with Multiple IP Addresses

I am trying to run a restart script against a list of computers, where it uses WMIC to see if users are logged in: WMIC /NODE: "workstation_name" COMPUTERSYSTEM GET USERNAME and then use psshutdown if ...
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1answer
44 views

Strange behavior on home internet

We recently had a new modem sent to us from our ISP (Armstrong). We hooked it up and tested it out and bam! We had double, almost triple the internet speed we had previously. As you could imagine, I ...
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Mail server Dns configuration

this is my question: I'm italian, i'have a local mail server and my new adsl company block 110 and 25 ports !!! I routed blocked ports from a VPS to my server by a VPN trunk without problems, but i ...
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1answer
15 views

VPN malfunction related to Antivirus

I'm running Win 7. I use TorGuard VPN. I'm connected through a wired LAN. My connection is High Speed cable and works fine. My VPN connection is normally good - maybe a second or two slower than ...
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1answer
26 views

Can I use 2 Different Cloudflare Account to handle 1 domain [closed]

I handle a website for client. The domain has configured with a cloudflare account, owned by my client. I want to add some DNS records but with my cloudflare account. Then I ask my client to add my ...
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30 views

How to setup private network in addition to local area connection?

I want to install Active Directory Domain Services on Windows Server 2008 R2. I found this nice tutorial here. The problem is that in the first step, it says to change/configure the IP address of ...
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1answer
27 views

Do DNS blacklists generally block entire IP C-nets?

My college just floated me a horror story regarding mail servers and DNS blacklists. (We maintain the mail servers for our company and its customers.) He said that DNS blacklists (like e.g. SORBS and ...