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

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Check external DNS with dd-wrt

I'm trying to change the DNS server my router is using to OpenDNS and I'm running dd-wrt, but when I try to check which server I am using by checking the contents of resolv.conf, I get search lan ...
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11 views

resolv.conf keeps getting overwritten when dnsmasq is restarted, breaking dnsmasq

I'm running Debian Jessie and I'm trying to configure dnsmasq as a caching DNS server. I used a guide to come up with the following /etc/dnsmasq.conf: listen-address=127.0.0.1 bind-interfaces ...
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2answers
41 views

Is there an easy way to do a host lookup by MAC address on a LAN?

Is there an easy way (on Linux) to implement host lookup by MAC address? In small local networks, it is easy to use for example arp-scan to find out the IP address of some device. I usually use ...
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21 views

Is this an acceptable Dynamic DNS setup to have? [on hold]

My setup: Mac Pro running Apache WebServer using MAMP BT Home Hub 4 with No-IP dynamic DNS details and port forwarding to 80 A registered domain name "***.scot" (hover) A host name (No-IP) An ...
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1answer
18 views

Windows 7 / VirtualBox / VMWare : DNS : local name fails - not even DNS lookup, FQDN works

My problem in short: Entering http://app01:8084/ into the browser does not find my server. Entering http://app01.my.domain.com:8084/ does work. With the localname Wireshark not even captures a DNS ...
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1answer
14 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 ...
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1answer
26 views

What is the proper way of setting up two IP’s with one domain name?

I have two Ubuntu Servers (S1 & S2 for example) on two different public IP’s (static & are in different locations). I got a domain name from GoDaddy. Lets call it, example.com. I have setup ...
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2answers
19 views

Why having extra nameserver entries in resolv.conf hinders resolving host name?

I have 6 nameserver entries in resolv.conf. Due to the recent changes in our network I added last 2 recently and did not bother commenting the old ones as I thought that having extra nameservers won't ...
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7 views

Create origin aliases for a web browser?

Is there a way to configure browsers with a list of "origin aliases" so that a web app functions as expected? If so, how? For example, I would like to tell the browser https://wiki and ...
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23 views

How do I make my VPN'ed local server accessible on LAN?

At home, I have an OSX server that I connect to using SSH and VNC. I recently purchased a subscription to a VPN service provider and the idea was that the server would be connected to the VPN at all ...
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1answer
18 views

Server 2012 R2 on a single server running AD and DNS

Is it possible to configure the DNS server to get to both external and internal domains with the same name? Have an ISP handling web site with the same domain name as my internal domain. DNS server ...
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2answers
21 views

Local are Network DNS and IP settings

I want to set up a small network with four computers, a tablet, an Arduino with a network shield and a wireless router. I want to give everything a permanent IP address and run WAMP on one of the ...
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1answer
30 views

new domain, trying to configure it on Windows Server 2012 R2 in a Azure VM

So I have purchased this domain, say mydomain.com, and would like to use it for my lab in the cloud. I spinned up a new service in Azure, say myservice, and built a new VM called mydc, promoted it to ...
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0answers
21 views

Custom nameservers over wifi hotspots with initial web login

I have built a portable router using a raspberry pi. My setup works, unless I connect to a hotspot that requires some kind of web based login. After some investigation, I think I've tracked it down ...
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18 views

Windows 7 - Unable to connect to internet or skype

I am having issues connecting to the internet. Eariler today I scanned my computer with malwarebytes antimalware and deleted what it detected. I did this because theses ads were popping up when I was ...
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26 views

Raspberry Pi VPN server using PPTPD internet access

I am not quite sure if this is the best website for this question, but I'll give it a shot anyways. I setup a VPN server yesterday on my Pi (running latest Raspbian) using PPTPD. The purpose of this ...
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1answer
30 views

Any way to use multiple hosts files on windows?

Question Is there any way to use multiple hosts files on windows(7) ? Preferably without installing any external programs. Example Say my hosts file has in it 10.2.3.4 bob.com 10.2.3.5 ...
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22 views

Cannot resolve IPv6 of hosts in local network [closed]

I have a few machines which i would like to address via domain names as the globally accessible IPs (v6) change dynamically. To that end i wrote some scripts which update the respective nameservers ...
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27 views

System-wide DNS lookups over SSH tunnel

IT has the lab locked down so I cant do apt-get updates or install any packages on the Ubuntu machine. We have a Windows RDP desktop that has limited internet access. I have an SSH server running on ...
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1answer
16 views

Nginx - access from a public ip address - ubuntu 14.04

An nginx server is up and running locally on my system[ubuntu 14.04]. But i am having difficulty accessing the same server from my public ip address, or from any other system using my public ip ...
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1answer
35 views

DNS issues windows 2008 R2 [closed]

something is happening in my network and really till now i cant seem to find the solution, first i have 2 ISPs lets say A and B and i have DC ( DHCP And DNS) i put the dns of both the ISPS in the ...
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1answer
69 views

hostname does not resolve on LAN

I’m on Mac OS X 10.7.5. Got some kind of voodoo with my hostname. I frequently run web servers (PHP/Java) but suddenly these decided to stop playing nicely. This machine always had DHCP, which never ...
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17 views

Setting up port forwarding on secondary router with restricted config access to primary router

I can connect to Router 1 over wifi which is connected to the internet. I do not have access to Router 1's config settings to change any DNS, port forwarding, etc. What I was hoping to do is connect ...
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2answers
25 views

Periodically send dynamic public IP to web server to allow remote SSH access

I have a home where the ISP does not allow static IPs for hosts. I have a computer (that I will call A from now on) in that home that has a SSH server running on it and I would like to connect to it ...
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92 views

cannot access network shares on domain - export all network settings in windows 7 for troubleshooting

I am on a domain computer running Windows 7 Enterprise. I am having trouble accessing network drives and network shares (including network printers). I am able to access the internet fine. I have ...
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30 views

Windows 8.1 + DNSCrypt + Unbound for DNS Cache

I'm following this guide (http://yvoinov.blogspot.it/2014/05/windows-7-unbound-dnscrypt.html) and others but nothing: I have Windows 8.1 x64, DNSCrypt 1.4.3, Unbound last version downloaded from the ...
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20 views

Which role is to be configured in windows server 2012 r2?

I am a BE computer science final year student. In my computer laboratory, there are 72 client PCs and a Windows server (2012 r2 datacenter). Server specs: Processor(s) (1) Intel® Xeon® E5520 ...
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1answer
38 views

Use computer name instead of ip address in heterogeneous environment

I have got a few machines all connected to a ISP supplied router; a Netgear CGD24G. I added a 1Gb switch because I have too many computers. Otherwise, machines connect to the home network either via ...
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41 views

Change DNS from 192.168.1.1

I am trying to use namebench to optimize my DNS server, and the result continues to list 192.168.1.1 as the best DNS server, despite my having changed the router’s (Asus RT-N53) settings to Google ...
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12 views

maradns config for external domains except one address

I have the following mararc ipv4_bind_addresses = "127.0.0.1" timestamp_type = 2 random_seed_file = "secret.txt" csv2 = {} csv2["myapp.com."] = "custom.txt" custom.txt blog.% ...
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26 views

How to point domain and subdomain to dedicated server using IP address?

I have dedicated server with 1and1 and domain name with godaddy. To point my domain to my server i just pointed my dedicated server IP using "A" RECORD (at godaddy) and didn't change anything like ...
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3answers
75 views

How to find IP address of a DNS server

I'm a CS student and currently taking a (basic) course in information security. I was given an assignment which required me to analyse a given .pcap file using Wireshark and obtain information on the ...
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1answer
105 views

I suddenly can’t access my own web server within my LAN via the external WAN IP address

Suddenly today—without explanation—I cannot access my web server from my local network. My router is an Actiontec MI424WR MI424WR (GigE for Verizon FiOS). I have verified that no browser running on ...
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2answers
78 views

Cannot access Windows machines by Name over PPTP VPN but can access ip address

I have a PPTP VPN Incoming Network Connection setup on a windows 8.1 machine which is where I have all my computers setup on a local intranet (say machine X, Y and Z) I VPN into the Windows 8.1 ...
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1answer
32 views

Public DNS entry with local IP

We have a set of internal services used by our business applications. Some of them are defined by IP. We are thinking about replacing them all with service subdomains instead pointing to the private ...
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15 views

How to get DD-WRT (dnsmasq) to serve DNS but *not* DHCP?

I want to configure a DD-WRT router just for local DNS resolution of a few names, and then fall back to my ISP's DNS server. I am using a separate router, the sole purpose of this DD-WRT router is as ...
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Linux Name Resolution-Samba or Bind

I'm trying to make sure that all my PC's(with any OS) & mobile devices can see my Linux computer's name(x100 for example). Is using Samba the best option for this? Or if I install a DNS Server ...
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1answer
71 views

Reoccuring DNS Lookup Failed

For some reason, seemingly at random, any attempts to resolve a domain fail in my network. Any existing connections will continue to work, since their domain names have already been resolved, but if I ...
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2answers
24 views

Overriding DNS in peer-peer fashion

I frequently have the problem that I am on a local network where DNS is done by routers I have no control over. I often want to send files or data between two of my devices on the same subnet, but ...
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2answers
31 views

How can I fix DNS resolution on second router in home network?

Symptom: Delays of up to 30 seconds resolving DNS when plugged in to or Wif Connected to second router. Ping can take just as long via domain name, near instant via IP No problems when connecting ...
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18 views

VPN split tunnel force specific domains to go to VPN

I have a VPN server that I am connecting to on Windows 10 (pretend it is Win8) via a split tunnel. There are some domains, let's call them a.vpndomain.com and b.vpndomain.com, that I want to connect ...
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15 views

Already have Public dhcp and dns. Now i want to setup dns in private network

I have dlink router and ip address range is 192.168.1.0/24. It have dns in the router itself. So whenever executed " host 192.168.1.1 " or " nslookup 192.168.1.1 " it displays domain name everything ...
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22 views

Curl shows redirection to localhost

I am using an iMac (27-inch, Late 2013) running Yosemite 10.10.2 (14C109). Recently I ran a curl command and it appears as though there is a local proxy or server running on my computer. Here is the ...
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1answer
21 views

Configure printer on WAN port

I have a network where router 1 is connected to Internet and has a network printer. Router 1 is a home router with default settings. A second router (router 2) is connected to router 1 on it's wan ...
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34 views

Both Public and Private DNS not working. How make it work properly without any conflict

I setup private network so I installed DHCP in one of my server. Now my public network DNS is not working. How can I setup DNS for private network with conflict the public network DNS? DHCP Setup. ...
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1answer
25 views

MaraDNS- Unable to forward DNS queries

I tried forwarding DNS queries to Google DNS but it is not working. Below is the content of my /etc/mararc file: csv2 = {} csv2["example.net."] = "db.example.net" csv2["google.com."] = ...
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1answer
37 views

Dns server for specific domain

Is there a way to define a dns server for a specific domain? I'm setting up a develop machine with an amp stack and i want to redirect all urls with a specific domain (i.e. project.dev) to 127.0.0.1. ...
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22 views

DNS Redirecting in Google Chrome

The other day we were attempting to redirect traffic in my office. We wanted to redirect YouTube, Facebook, and other similar sites back to our website. Originally the plan was to just use the Hosts ...
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1answer
20 views

Cannot access DNS from external network

I have setup a MaraDNS instance on CentOS 6.5. I can access the DNS records from local machine—on which MaraDNS is installed—by doing nslookup but cannot access the DNS server records from Internet on ...
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32 views

2012 Domain Controller DNS issues

I have built a 2012 domain controller and after i install the unit no one can get on the internet. The way I set it up is I was going to let the router continue to run the DHCP process and have the ...