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

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63 views

Access external IP from inside the network?

I have setup a subdomain sub.example.com in the DNS-records of my domainname-provider that I linked to my external IP. I then forwarded port 80 in the router (Sitecom Broadband Router 54G) to the IP ...
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1answer
27 views

How the whole domain name and DNS works? [closed]

Recently I'm considering setup my own website. So first thing occurs to me is that I need to get a domain name. And I should somehow publish that for this domain name, point to my server. Now some ...
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1answer
38 views

Will a VPN make a DNS Server more secure?

I have a DNS Server (unblock-us) at the router level to allow US Netflix for everyone on my home network. I am concerned about all my traffic (eg internet banking) going through these servers and the ...
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0answers
39 views

Multiple DNS suffix resolution over VPN with split tunneling?

I'm a remote worker of a company that use an AD domain: mycorp.local I've set up a VPN connection to the corporate network (Windows VPN). This connection uses split tunneling to avoid routing all ...
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0answers
35 views

Google Apps - Unable to receive emails on same domain despite SPF and DKIM confirmed

We're developing a site that will be sending emails from noreply@domain.com (this email account doesn't exist) to name@domain.com. domain.com has emails served via Google Apps; the MX, SPF and DKIM ...
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1answer
59 views

Can I setup a webserver on a private network?

I am trying to setup a webserver on our company's private network. I have the domain name www.myurlexample.com which needs to resolve to a server here on my network. But I'm struggling to figure it ...
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1answer
41 views

DNS Resolution Oddity

In Windows 10, I frequently have to manually restart the "DNS Client" service in order to successfully ping a host, even if I can ping the host by IP address, and where nslookup seems to correctly ...
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0answers
17 views

CentOS DNS server not being able to be pinged by host, but can by other machines on the network

Currently I am running a CentOS 7 core on a vm in bridge mode in order to get my own dns server, but for some reason I can ping the host machine from the vm but not the vm from the host machine. I can ...
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1answer
51 views

no dns after boot for ~2 minutes

After boot I immediately got internet connection via wifi / router C:\Users>ping 8.8.8.8 Ping wird ausgeführt für 8.8.8.8 mit 32 Bytes Daten: Antwort von 8.8.8.8: Bytes=32 Zeit=11ms TTL=55 Antwort ...
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1answer
32 views

Access application from server on client machine by its name from any browser

I have installed application & database on same server. I can access the application on my client/local machine by "server IP". But I want to access same application on my client/local machine by ...
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49 views

Chrome seems to use different DNS than IE 11--is this possible?

I know the question sounds odd. I have both Chrome and IE11. Google is homepage on both. On a fairly regular basis I will type in a search term and Chrome will just hang, usually ending up in some ...
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1answer
52 views

Windows XP Pro SP3 Cannot ping our DNS Server with DNS name

I have an old Windows XP SP3 computer and we recently purchased Sophos Endpoint Protection. One of the things I noticed before I installed the program was that the computer cannot ping the DNS name ...
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1answer
31 views

hostname changing when network changes

My hostname changes whenever the network changes, is there any way I can have one host name all the time. Following is the output of /etc/hosts - 127.0.0.1 localhost localhost.localdomain ...
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0answers
46 views

Server 2008 What ports can I close/filter?

I have a computer running Server 2008. It has been up and running for over 6-7 years, however recently due to a LeChiffre attack, I'm looking to really lock it down from the outside. The ONLY thing ...
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1answer
54 views

How to change DNS when VPN is down?

My DNS are on the other side of my VPN (operator peering). So web is unreachable if the VPN is down. I need to change the DNS on each computers to public DNS (150 Windows computers from XP-SP1 to ...
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1answer
44 views

Hostname won't resolve even with router DHCP reservation?

I'm setting up a simple Linux home server and I want to be able to access it over my LAN using it's hostname. Even after reading through this really informative post I'm still having issues connecting ...
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0answers
25 views

Creating multiple A-records from windows server via dynamic-dns

I have a windows server (2012 R2) joined to domain. Server has 2 NICs, each with different IP address. It is easy to create multiple static A-records on Domain Controller's DNS to give a name for ...
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0answers
33 views

ASUS-WRT OpenVPN DNS errors

I'm currently connected to an enterprise network which allows for VPN connections. Using an OpenVPN client on any of my devices allows me to connect successfully. In order to be granted access to the ...
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1answer
17 views

DNS Zone Transfer Along with Editing Privileges

I have 3 lab Servers called lab1, lab2, lab3, My Lab2 is my Windows AD, Windows DNS Server Lately i don't keep all my servers up as i don't need them all the time so what i did i installed DNS ...
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1answer
87 views

Cannot access a certain URL, everything else works fine

I've been experiencing a weird issue with my network. Everything worked fine until three days ago where, for no particular reason, I stopped having access to only one, certain website. This is the url ...
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0answers
22 views

Laptop unable to detect that it is on the domain network when it is physically on the network

A user's laptop (windows 8.1) is unable to detect that it is on the domain network when it is in the office, hence is unable to connect to domain based resources like the printer though he can access ...
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0answers
28 views

SBS 2008 - RRAS/VPN stops working every 24 hours resulting in server reboot

I am running SBS 2008 hosted on Citrix XenServer 6.5 SP1 w/ all hotfixes installed. The SBS server has the latest XenTools installed and all Windows Updates. SBS is setup to act as a VPN server using ...
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1answer
72 views

How to stop dnsmasq from adding ISP DNS servers to a VPN connection?

This is Ubuntu 15.10. The following lines from the log happen when connecting to the VPN: dnsmasq[983] setting upstream servers from DBus dnsmasq[983] using nameserver 1xx.xxx.xx.xx#53 <-- ...
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2answers
32 views

Connection to the internet: ping vs HTTP [closed]

I am able to ping the ip address (e.g. 64.233.163.104) from my command line. But, when I am using the same ip address in the browser, its not working.
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1answer
35 views

Windows Primary/Secondary DNS doesn't work

My understanding was that the point of having 2 DNS servers configured was for redundancy, so that if one goes down or is offline for any reason (maintenance, failure, etc.) clients can connect to the ...
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0answers
50 views

Can't Access Network Resources Over VPN

I am using Windows Server 2012 and RRAS to setup a VPN connection to a client. I have two servers on an Active Directory domain. DC01 (this hosts the VPN and Active Directory Domain Controller) QA01 ...
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2answers
40 views

The used DNS server of my machine

I've looked for a while in the internet, and searched on how can i find out which Domain Name System server my machine is using. All the links said that i have to look in the file /etc/resolv.conf, ...
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1answer
19 views

How do I use a sublet a subdomain to another set of nameservers?

I would like all my servers hosted at Digital Ocean to hold the names server1.do.example.com, server2.do.example.com. Say I own example.com with DNS hosted at namecheap, which provides me with a ...
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1answer
45 views

Host Name (Server Name?) is Different from the Computer Name

I have done a network scan on my network. In the results some of the computers have Host Names that are the same as the "Computer Name" and some have names that are not their respected computer ...
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3answers
5k views

How does my router resolve a URL like http://router.asus.com/ to its IP address?

Typically I connect to my router by its IP address of 192.168.1.1. However, I am also able to connect to it at the URL router.asus.com. My computer does not have a connection to the Internet. How ...
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0answers
25 views

How do I make mydomain.com resolve to a.b.c.d but foo.mydomain.com resolve to x.y.z.w?

I've registered a domain name, call it mydomain.com. The registrar's control panel lets me modify the A records. I've had this set up so that mydomain.com points to a machine I have at a.b.c.d for a ...
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0answers
50 views

WAMP Server with LAN DNS

I have set up a WAMPServer 2.5 on my secondary PC. I have changed my hosts file so that that I can access it through the domain "local.network" I'd like to have it so that anyone on my LAN can connect ...
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1answer
18 views

Can I route DNS entries to the same domain?

I have a domain which is showing user data from a php file, and I want to use the url as being the source for which user to display. I have something like example.com and I want that if you type in ...
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1answer
37 views

nslookup DNS Request Timed Out

I can't check the DNS, cause I use firewall in my server. How to fix it?, I have a server. DNS Request Timed Out
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1answer
74 views

NSlookup of static IP showing computer name from DHCP range

I am part of a network with 60 or so maximum devices. Just a class C subnet where x.x.x.1-100 are statically addressed hardware. 101-150 are also statically assigned addresses for thinclients and ...
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0answers
39 views

Edimax AR-7286WnA - Rom-0 Attack and all services disabled

Got an Edimax AR-7286WnA, dns pointed to malevolous. I'm using the google dns on all devices, but a virus redirect all my requests to tradeadexchange and then to a FlashPlugin fake update page that is ...
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1answer
49 views

Can't Add Server to a Domain Controller

I'm running 2 Server 2008 machines, one's my primary DNS/DC and the other will be a DHCP/WDS server (this is for a home environment), but when I try to add my DHCP/WDS server to the Domain, it times ...
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1answer
14 views

My self-hosted blog won't route properly past the first lookup

I have moved from hosted WordPress to hosting my own on my QNAP NAS. Now, I've gotten it to work insofar that I can lookup the blog from the Internet (I've set up an A record at my domain service). ...
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60 views

DNS server (bind9 on Debian) problems with Windows 7

I have made a home server in my house (for downloads, get arduino readings and stuff like that) I want to access this server with a domain (Ej, mylocaldomain.com) to do that I have configured a bind9 ...
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1answer
68 views

OpenDNS: Block “File Sharing” Category But Allow OneDrive

I am using OpenDNS to block the entire category "File Sharing" because my son is randomly downloading illegal MP3s and I need to prevent him from doing that. However, this has also broken OneDrive ...
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0answers
26 views

Win7 add DNS suffixes after primary

I want to use the primary DNS suffix provided by the router on the given LAN I'm connecting to. And after that I want a small set of suffixes that never change. For example: Office DNS suffix: ...
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0answers
26 views

Assign a domain name to a website hosted in DMZ server

This project is new for me Situation: I have a web site hosted on a web server in DMZ on a local network. I also have a domain name mydomaine. I can access the web server from internet with a ...
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2answers
147 views

Stop Google Chrome from using Google ipv6 DNS?

I have an internal DNS server that provides DNS names to my internal servers. For example, my DNS server points "files.mydomain.com" to my NAS's Web interface at 192.168.1.200. I also have a public ...
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1answer
39 views

How can I fix my internet connection when “ my computer appears to be correctly configured”

I am new to this website, I don't know if my question is an off topic question, or even if this is the suitable place to ask. Please tell me if I am in the wrong place. Since some days I ma facing ...
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1answer
26 views

Changing DNS server globally in Windows

It is possible to change DNS server for a particular network adapter in Windows. But is it possible make global settings like Linux so I don't have to change it for every network adapter?
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2answers
63 views

Problems joining to Active Directory

I am having difficulty connecting my laptop to my domain. I have recently set up a domain controller in my flat but, when I try and connect to it using my machine, it says "An attempt to resolve the ...
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1answer
35 views

Why can't I have two records for the same name with different TTLs?

I just renewed my TLS certificates, but I haven't installed the new ones yet. I thought I'd add new TLSA records, lower the TTLs of the old ones, wait a while, then swap the certs out and delete the ...
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0answers
111 views

Powerline Devolo DLAN 650+ Disconnecting Randomly

I have bought a powerline adapter (Devolo DLAN 650+) like a year ago and it started to act weird recently. It randomly disconnects me from the internet (Happens like every 1-2 hours) and it's pretty ...
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0answers
11 views

Amped TAP-R3: How do I disable it as an open resolver?

I have a TAP-R3 routing my LAN with DDNS and Port Forwarding enabled so I can access a server externally. I was recently informed the router is acting as an open resolver and needs to have its DNS ...
0
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1answer
41 views

Can telnet but nslookup fails

The problem is exactly as described in the title... I'm puzzled. I've seen the opposite many times, but this... So once again, just to confirm: C:\users\274400>nslookup SERVERNAME Server: ...