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

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37
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5answers
59k views

How to clear DNS cache in Ubuntu?

I'm having problems related to DNS solving in my Ubuntu 9.10. Prior complaining to my ISP I would like to refresh my local DNS cache, like in Windows we do ipconfig /flushdns. How can I do that in ...
2
votes
1answer
2k views

Random redirection to adult sites of mobile.juicyads.com

Since two days ago, almost all of my clicks open new tab and redirect to this Adult-only URL: mobile.juicyads.com/service_redirect.php?p=64686&s=124309&u=http://www.google.com Parameters p ...
2
votes
2answers
39 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 ...
0
votes
0answers
13 views

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 ...
0
votes
0answers
10 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 ...
0
votes
1answer
13 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 ...
0
votes
1answer
16 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 ...
-2
votes
0answers
19 views

Is this an acceptable Dynamic DNS setup to have?

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 ...
2
votes
5answers
3k views

DNS lookup fails after resume from sleep

My Windows 7 Ultimate x64 PC has a strange networking issue. When I resume from sleep, no web pages will load (other programs such as Hamachi VPN are also unable to locate their servers). If I use ...
7
votes
0answers
3k views

How do I setup a local DNS server on Mac OS X 10.7 (Lion)?

I had some serious lag to resolve website address and sometimes things simply wouldn’t load; pages keep loading for 5+ minutes without even a timeout error. So I had setup a local DNS server/cache ...
0
votes
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 ...
0
votes
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 ...
0
votes
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 ...
1
vote
1answer
2k views

Resolving local hostnames with D-Link DIR-657 router

How can I resolve local hostnames with the D-Link DIR-657 router? With my old router I could just enter the device name followed by .home, eg. raspberrypi.home. However neither of these seems to ...
0
votes
0answers
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 ...
0
votes
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 ...
0
votes
0answers
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 ...
0
votes
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 ...
2
votes
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 ...
0
votes
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 ...
3
votes
1answer
2k views

Using VPN connection in OSX will only route through the first service in “Service Order”

I am trying to get my VPN connection to only route network traffic related to my workplace through the VPN connection and any other traffic through my Wi-Fi connection. If I have my Wi-Fi at the top ...
4
votes
6answers
16k views

How to find which DNS server I am using (of the multiple configured dns servers)

I have two dns servers configured, which are listed when viewing ipconfig /all I would like to know which of the two servers I am using at the current time i.e. from my browser or via the tracert ...
-1
votes
0answers
17 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 ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
0
votes
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 ...
1
vote
0answers
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 ...
1
vote
0answers
91 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 ...
0
votes
1answer
15 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 ...
2
votes
2answers
174 views

OpenVPN Client - DNS change; role of 4 FreeVPN.me profiles; How to remove DNS leak

I have configured OpenVPN client added and FreeVPN,me bundle. Tested all seems works fine. However I have few quires How do I know VPN works fine and connection is secured other than OpenVPN green ...
0
votes
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 ...
-1
votes
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 ...
0
votes
0answers
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 ...
0
votes
2answers
23 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 ...
1
vote
1answer
5k views

Name resolution for the name…timed out after none of the configured DNS servers responded

I am getting this message in system event during my PC startup Name resolution for the name website.com timed out after none of the configured DNS servers responded. And another same message ...
1
vote
1answer
71 views

Wildcard domain for virtual box in sbs network

I have a virtual Linux box, running on my Windows 7 computer, which is part of a MS SBS network. Since a while, I can't change my hosts file anymore, perhaps because of some internet security ...
1
vote
3answers
441 views

where to find used dns settings

my /etc/resolv.conf use 8.8.8.8 and all 3 dig below answers without a A reocrd dig some_unregistred_adress.se dig @8.8.8.8 some_unregistred_adress.se dig @127.0.0.1 some_unregistred_adress.se but ...
3
votes
3answers
1k views

Is there any kind of archive for zone files?

In the same way that the Wayback Machine has vast amounts of data of what websites used to look like at arbitrary timepoints, is there any analogous service that keeps track of zonefile changes? ...
0
votes
0answers
27 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 ...
0
votes
1answer
3k views

domain MX record not found while installing Zimbra

I am getting this error: DNS ERROR resolving MX for localhost.localdomain It is suggested that the domain name have an MX record configured in DNS Re-Enter domain name? [Yes] named file: $ttl ...
1
vote
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 ...
0
votes
1answer
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 ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
0
votes
1answer
189 views

Securing a Nintendo Homepass Network

Some Nintendo 3DS users have been setting up wireless access points to trick their handheld console into treating the AP as an official "Nintendo Zone" AP. This has become known as a "Homepass" setup. ...
0
votes
0answers
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.% ...
1
vote
3answers
7k views

Getting SMB file shares working over a PPTP VPN

I'm having issues getting SMB file shares working over a PPTP VPN. The server setup consists of a security device (DrayTek V3300) which passes the PPTP authentication to a SBS2003 server running ...
0
votes
1answer
31 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 ...
0
votes
2answers
76 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 ...
0
votes
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 ...