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

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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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35 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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96 views

How to setup a private captive network using Wi-Fi at a tradeshow for in-booth app demos?

We all know trades shows could charge 1,000’s of dollars for basic Internet connectivity. As an app developer what option do we have if you want to show your latest world killing app? We were ...
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1answer
26 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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1answer
42 views

Blocking AAAA responses for certain domains

I'm in Ireland, and my current ISP doesn't provide native IPv6 access -- even if I wanted their consumer implementation of it (which is apparently DualStack-Lite). So I'm using Hurricane Electric's ...
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37 views

Getting error ERR_NAME_RESOLUTION_FAILED

When I try to go with the browser to www.thedrupalchecklist.com I get the error ERR_NAME_RESOLUTION_FAILED. (I changed the nameservers yesterday). If I go to ...
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2answers
36 views

how can i set up BIND to use a different DNS for a specific domain

at work we are using a VPN tunnel to communicate with an external network that is set up for testing. There is also a DNS running inside this external network, and I would like to have a local DNS ...
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1answer
40 views

Were my DNS servers changed?

I recently stupidly clicked on a suspicious link and since then, Chrome stalls for a few seconds before reaching a web page. I suspect my DNS servers may have been changed (among other possible ...
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30 views

Connected to OpenVPN server (through WiFi), changing DNS on unprotected adapter stops Internet entirely

So whenever I connect to an OpenVPN with a configuration file I notice two things: The TAP- adapter has no gateway of it's own. Is that normal? Trying to resolve this problem: I copied all the ...
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2answers
1k views

What is the correct way to plug DNS leaks when running OpenVPN?

I've set up OpenVPN on a Linux server. All my Internet traffic goes through the VPN from that server. I'm running Windows 7 at home. I noticed in Wireshark that DNS queries are not going through the ...
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62 views

Changing priorities of DNS and etc\hosts in Windows 2008 R2

The X issue One of our customers have an issue with Oracle DG - sometimes DNS is not responsive and DG connection fails. I decided to add fall back entry in etc\hosts, but it has cons too: DNS ...
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21 views

How to send email from a network to a subdomain?

Scenario: Network: abc.net1 Mail Server: mail.abc.net1 Exchange email: user1@abc.net1 Internal Server: internal.abc.net1 Internal has own domain: sub.local Has exchange configured: ...
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21 views

Cannot browse to web sites where server is on same router

I have a cable router which provides NAT addresses 10.1.10.X as well as has static IPs on it. My local development computer is plugged directly into the router and so is the web server. The web ...
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1answer
38 views

Web browsers removing slash in URL

I have a URL (http://www.example.com/). Whenever me, a user, or a bot(search indexers) enter (http://www.example.com/Folder) the domain automatically redirects to (http://www.example.comFolder). All ...
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0answers
21 views

Can the DNS-server in FiOS-provided Actiontec router offer SRV-records?

I'm trying to teach my iOS-devices to print onto the LAN-connected printer here. The manual calls for adding certain DNS-records. On my LAN the FiOS-provided Actiontec-router is providing the ...
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39 views

Cannot open one specific website on one machine

I recently stepped upon a very weird problem. There is a website and mail server running on a domain XYZ.com (example) It is blocked only on one specific pc in the whole company (there are 10 of ...
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29 views

Windows (8.1) disable websites temporarily

I'm using windows 8.1 and I want to disable certain websites temporarily. I'm doing web development work on my machine and I do not want certain iframes (to 3rd party websites) to load and/or not send ...
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182 views

Selective ping error

As you see below some sites do load and ping successfully others has to be opened using proxy such as "filterbypass" Would this be routing problem or the DNS resolver/ firewall behind ...
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2answers
4k views

Ping fails to find host but NSLookup resolves okay

We have an intermittent problem on Windows 8 whereby Ping fails to find the host but NSLookup resolves it correctly. Ping host1 - fails with ping could not find host Ping host1.domain.local - also ...
2
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1answer
38 views

Access subdomain folder directly from IP address

I have server located under X.Y.Z.C IP address. It runs Apache2. I've added additional domain to it, let us call it A. When I want to add something to it, I have to send files to A subdirectory in ...
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3answers
3k views

Router(s) Issue: DNS queries sporadically fail with multiple computers hooked in

Basically, after anywhere from 5-60 minutes, DNS queries fail for a few minutes, then slowly begin to resolve correctly. Then the cycle repeats. This occurs only when more than one computer is on the ...
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27 views

Invalid hostname in HELO sent by MUA

I have a mail server running exim4 with an ACL that drops the smtp session if the hostname in HELO is an IP address. Exim is configured to do the reverse dns check. The said ACL is the very first one ...
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0answers
71 views

The requested URL “/crossdomain.xml”, is invalid.

Every time I try to access the game lobby for a website I keep getting an error. The error only started yesterday and I am confused as to what the problem might be. I believe the problem is caused by ...
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17 views

Pin Hostnames to MAC Addresses when using Dynamic DNS Updates

I want to start using dynamic DNS updates for an internal system. I'd like the DNS server to pin a hostname to a MAC address so that once the host registers, then the DNS server will not allow others ...
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2answers
71 views

Connect to my work LAN and ADSL a the same time

The scenario is to connect to my company LAN and an ADSL modem at the same time. My PC has two network cards. one is connected to internal company LAN(no Internet connection) and another is connected ...
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31 views

Can't access some websites

I have a networking/dns problem in my laptop. I can't access some websites. For example www.accuweather.com I am using a wireless connection. The issue is just in my laptop. I can access the sites ...
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1answer
28 views

configure router for DNS queries for specific domain

I want to configure my Netgear N-150 router so that it answers DNS queries within the LAN. This is in context of running different kinds of servers: e-mail, news, web or VoIP from home. Nothing is ...
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1answer
86 views

Browsers delaying 5 seconds before attempting first dns query

I have a fresh OS install with Firefox. When i open Firefox the homepage (google) takes 5-8 seconds to load. All subsequent pages load instantly. I loaded Wireshark to check if its the DNS server ...
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2answers
969 views

OSX: ssh: Could not resolve hostname: nodename nor servname provided, or not known

There are two mac hosts in my Wi-Fi network (laptop and Desktop) I'm trying to ssh laptop from Desktop - everything works fine When I'm trying to ssh from laptop to Desktop doing this: ssh ...
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2answers
2k views

Possible DNS redirection hack attempt

I am trying to login to Windows Live, and I get the message my password has expired and I'm getting redirected to Live website. The address looks valid: https://login.live.com/login.srf But I get ...
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1answer
40 views

Is it possible I would get hacked by using DNS service? [closed]

I heard some people say, it’s possible that some hackers can access PCs while using public DNS service because they’ll be vulnerable to them. However, paid DNS service requires credentials, so it’s ...
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28 views

DNS Router redirect to private IP

Sorry, If this has been asked before or the question is stupid. I am new to networking. I need a little help. At my home, I have a public IP and a small Cisco router. I am running various VMware ...
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814 views

Yum hangs on setting up package sacks

I'm having trouble with Yum installing postfix. I'm using yum on a trixbox/freepbx system and trying to get voicemail-to-email setup for VOIP Cisco phones in an office environment. Anyways I try ...
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2answers
84 views

Domain name for Raspberry pi

I've a network with a router (TP-LINK) which delivers internet to my PC and laptop. Recently, I got raspberry pi and would like to connect to via ssh. The fact that I'm aware how to set ssh connection ...
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1answer
961 views

DNS server does not respond after reboot in Windows 7

First of all, I think that this might be an issue with the router (TP-Link) because I never had this problem before I moved into a new apartment. But I also recently formatted my PC, so I'm not sure ...
3
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1answer
10k views

How can I configure a “global hostname” in Airport Utility?

AirPort Utility 5.6.1 for Windows disallows entering dots ('.') in the global hostname. Whenever you try to enter a '.', it just beeps with an error. Setting a global hostname is the AirPort way ...
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28 views

Network with 2 vlan and IP forward

I've got 2 VLAN configured in a router. VLAN1 10.0.1.x VLAN2 10.0.2.x One of my server is on the VLAN2 only. I called it "control-server". From it, I can ping the ip address 10.0.1.4 but not the ...
7
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1answer
242 views

Repeater injected to my network?

I know this is not that kind of support website but on the other side I found my problem very fascinating so I'll post it anyway. Yesterday all of my machines disconnected from my home network. It ...
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17 views

short often network pauses when 2 routers connected

my network looked like that: ISP cable --- ISP modem --- my router --- cable connection to computer 1 \-- wifi connection to computer 2 everything worked ...
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2answers
3k views

With DNS, what does 0.0.0.0 stand for?

With DNS, what does 0.0.0.0 stand for? I have it set (Network and sharing settings → change adapter settings → Wireless network connection → Internet protocol v4 → Use the ...
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50 views

IPAD Air2 PPTP vpn missing vpn dns

User has an IPAD Air2. When he connects to the VPN using his iphone it does not get dns server settings. He is connecting to Windows RRAS as pptp vpn. If I connect with a windows laptop I get all ...
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15 views

sshuttle dns resolution incorrect

I am using sshuttle. When I do not have sshuttle running, I get to www.mycompany.com just fine because DNS resolves to the external IP address, which goes through the switch and to the internal IP ...
0
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1answer
26 views

Share access to HTTP server on OSX?

I recently became aware of http://docs.vagrantup.com/v2/share/, which enables: HTTP sharing will create a URL that you can give to anyone. This URL will route directly into your Vagrant ...
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2answers
536 views

Force DNS resolution to use TCP

My Comcast internet connection has been giving problems in DNS resolution, and I am guessing the reason is a probably broken or limited UDP. I am currently working around it by tunneling over TCP ...
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0answers
43 views

How can I troubleshoot intermittent internet failures over Wi-Fi?

I’m connected to a router in a relatively crowded area via Wi-Fi, and have intermittent Internet issues. When this happens, a direct ping from my computer to 8.8.8.8 results in multiple dropped ...
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1answer
21 views

Restarting BIND service getting error

When I restart the BIND service getting this error from syslog named[4960]: /etc/bind/named.conf:15: couldn't add command channel 127.0.0.1#953: address in use Even when I execute nslookup ...
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1answer
30 views

Using DNS to forward to a specific local address and port?

Im running a server on a local address, a raspberry pi at x.x.x.111:64738. I own a domain, mydomain.nu. I want to create a subdomain (the hosting provides a cPanel interface) and forward it to my ...
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1answer
105 views

“Connection timed out” on specific website but ping works

I have a problem accessing www.mafiamofo.com website through any browser, I'm getting "connection timed out" in Firefox for example. I have 2 IP addresses from the same ISP. One IP goes directly in ...
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9answers
2k views

How to make Firefox use TCP for DNS

I want to use TCP for DNS, to bypass my ISP's slow and broken DNS servers. I'm not using (and don't want to use) a proxy. Note: I want to use DNS over TCP because if I use it over udp, no matter what ...
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1answer
172 views

Host not resolving, ping is

I have two network cards on my Mac OS X. One for my corporate, the other one is my wlan. For all internal stuff, the corporate one should be used. I configured following: route add -net 10.0.0.0/8 ...