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

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1answer
21 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 ...
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 ...
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
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1answer
45 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
76 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
30 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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0answers
18 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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0answers
11 views

Is it possible to set up Google apps with just one email address? [migrated]

I am currently using the free trial of Google apps for business. I have a few people using the email for our domain, but I do not want to switch the entire organisation to Google Apps and pay $50 a ...
0
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0answers
710 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 ...
0
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2answers
44 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 ...
0
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1answer
847 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 ...
2
votes
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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0answers
21 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
votes
1answer
214 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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0answers
14 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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0answers
21 views

Connect subdomain to windows VPS?

I don't exactly know how to go about connecting the 2 together. My goal is to use RDP here on my computer, and when typing in the IP address to connect to, I prefer to type in maybe a domain name, ...
3
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2answers
2k 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 ...
1
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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 ...
4
votes
6answers
14k 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 ...
0
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0answers
24 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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0answers
9 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
19 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 ...
1
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2answers
496 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
23 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 ...
0
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1answer
16 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 ...
0
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1answer
23 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 ...
0
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1answer
50 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 ...
1
vote
1answer
157 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 ...
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votes
11answers
2k views

Unable to use internet due to suspected DNS malware

I downloaded a midi file on my Windows 8.1 laptop last night. Since then, whenever I open chrome, I get a standard 'Web Page Not Available" error for ALL the sites I try to visit. Firefox and ...
2
votes
2answers
30k views

Why can't Chrome load a web page? ERR_NAME_NOT_RESOLVED

Chrome gives this error, yet I can ping the server! The server at www.odesk.com can't be found, because the DNS lookup failed. DNS is the network service that translates a website's name to ...
0
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0answers
14 views

How to connect two debian VMs using vmware workstation so that one acts as a web server and the other as web client

I want to connect two virtual machines running using VMWare workstations - Debian Linux and I have setup private DNS server on one VM named "Server" and other VM is named "client". I am trying to ...
2
votes
2answers
35 views

Cascading Routers (LAN to WAN) and DNS

I live in a shotgun style house and thus am required to have to wireless routers to reach every room. The first router is in my roommate's room and has an IP address of 192.168.1.1 with a DHCP pool ...
2
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0answers
37 views

What more user-friendly options are available for overriding DNS than the HOSTS file? [closed]

I've used the HOSTS file for years to override DNS to allow me to view test versions of a site etc. running as if it were live. However, helping others who might want to see the site before it goes ...
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 ...
0
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1answer
42 views

SSH Connect to Domain that points to different IP

A bit of background info, first: I have a domain that is configured to run a mail server, iRedadmin, postfix, etc. I can receive and send email and everything works great. The problem lies in the ...
1
vote
1answer
37 views

WIFI failures: No Functioning DNS available

WIFI always disconnects, and reports "no internet access". It might connect back after some time. It happens in many different locations: at home, in coffee shops etc. My colleague told me that it ...
5
votes
3answers
3k views

How does DynamicDNS act immediately?

My understanding of the core functionality of DNS is to provide a naming/mapping service between domain names (e.g. blah-whatever.com) and IP addresses (e.g. 100.2.3.4). Furthermore, my understanding ...
5
votes
2answers
5k views

How does one clear dig's DNS cache on Ubuntu?

I'm trying to use dig to verify some DNS information, but I'm only seeing old results. From what I've read, Ubuntu doesn't cache DNS by default at an OS level. If that's true, then the dig command has ...
0
votes
1answer
10 views

Add CAA and SSHFP records to TinyDNS?

One of the folks I work with is a fan of Bernstein's TinyDNS, so we run it internally. I'm having trouble figuring to how to add a CAA record and a SSHFP record to the server. There's a page on ...
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0answers
5 views

How do I add an spf for a Postmark App sender signature when there's an existing spf record? [migrated]

I'm using the Postmark App service ( https://postmarkapp.com/) to handle the transactional mail delivery for my web app and I set up a sender signature email address ( welcome@somedomain.com ) for it ...
3
votes
3answers
564 views

Find all current DNS records

I have a domain, its a client's. Their domain needs moving, but the current provider is being difficult/slow in providing details on all the existing DNS records. Plus I have not been able to get in ...
0
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1answer
21 views

I see frequent PTR requests in my wireshark capture, are they normal?

Lately I've been getting very frequent DNS lookup failuers (I use Google's dns servers) so I set up wireshark to see some of the traffic and I see many PTR requests for IP's that don't seem relevant. ...
0
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0answers
11 views

DNS or Hostname - seems to change whether a machine can be accessed or not [migrated]

So I work on a large environment with multiple countries and a large DNS structure. Because of this we sometimes have issues where machines that have not been on the network for a while keep the ...
0
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1answer
29 views

Dynamic DNS Name to resolve to Internal Server IP Address

I need to setup a DNS route so that the Dynamic DNS Name resolves to the Server when users are connected on the same network as the server, when users use any other internet connection the Dynamic DNS ...
0
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0answers
20 views

cant browse dev server on lan, but can ping

Ive got a weird issue. My mac book has its hosts file configured with the IP Address of my windows dev server hosted on my lan. I can ping the domain name on my lan without any issue. homedev.local ...
0
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0answers
48 views

Periodic DNS issue?

I have a periodic issue with DNS on a network. When the issue arises, DNS lookups are extremely slow or fails completely. All nodes have been configured to use the OpenDNS servers, but I have also ...
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0answers
17 views

Why do we need A record along with Glue Record? [closed]

When setting up private DNS we first create (1) Glue records on the Registry DNS level. Say, dns1.domain.com has the IP of 1.2.3.4 Then we need to create the similar (2) A records in the zone file of ...
0
votes
1answer
189 views

Guest with static IP - slow internet connection, random pings

I have Ubuntu 14.04 virtual machine with static ip and bridged network. Internet connection on host is wireless and most of the time works well, but sometimes it is a little bit slower too, but not ...