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

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DNS changes automatically to porn site DNS

I am using OS X Mavericks 10.9.4 and Windows 8.1 with Boot Camp. It is not happening everyday but it happens at least in every 3-4 days. When I log in to 192.168.1.1 and check my DNS they are just ...
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1answer
33 views

For my own DNS server, “dig … @ip-address” works, but “dig … @domainname” does not

I've recently begun virtualizing servers - one of which is a DNS server running BIND 9 on Debian 7. My DHCP server correctly issues it as the primary DNS for the network, but I get the following ...
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7answers
175 views
+100

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 ...
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16 views

Associating a domain name with web server

I am currently running a web server on AWS and I have a domain name that I want to associate with the server. The server is running nginx on port 80 yada yada but the part I am having trouble with is ...
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3answers
33 views

What specific roles does firmware play on routers?

If routers properly implement standard networking protocols (DNS, DHTCP, TCP/IP, etc.), then wouldn't the same firmware (implementing these protocols) be applicable to all routers? I guess I'm ...
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2answers
11k views

Where does Firefox store cerificates and how to delete one?

The root cause of my problem is not known to me, whatever it is, I experience frequent DNS failures. When it happens I cannot browse to my Gmail inbox. I use two DNS settings. One is the public DNS ...
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1answer
21 views

Netgear DHCP server doesn't provide the inputted dns servers to the connecting computer

I have NETGEAR JWNR2010v3 Router and I have configured it to static IP provided by the ISP. I have configured the preferred and alternate DNS servers provided by the ISP into the router. When I ...
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3answers
6k views

ping can't resolve hostname, but nslookup can

ping tells me that it can't resolve some hostname ("ping: unknown host domain.company.local") in a URL but when I use host or nslookup on the same computer on the command line, the resolutions works ...
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2answers
363 views

log into SSH server using a subdomain by adding an “A Record”

I SSH into a series of static IP addresses, but it's easy to forget which one is which. I'd like to replace the static IP addresses with a subdomain of a domain I own. I.e., 55.55.555.55 --> ...
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214 views

Combine multiple DNS filtering result

Several DNS servers provide filtering against different categories, mostly for the local government 'undesirable content', some for malware, and some for ads. What I want is to create/use a DNS server ...
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1answer
9 views

Host 2 Seperate DNS servers on one server?

Just wondering if its possible to have 2 different DNS servers on a server? For instance i am running BIND DNS (Through cPanel), and wish to run a separate instance of PowerDNS as well. Is this ...
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3answers
2k views

Failover two ip address and one dns record

My mail server has two WAN interface and I need to set up one "A" dns record for my exchange clients. In case of connection failure of one interface I wish to use the other interface, but how to set ...
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21 views

Weird phenomenon about my PC's primary & secondary DNS speed

I use DNS Jumper to test the speed of various DNS and this is the result: (A) Currently Using Primary: 203.144.207.29 (39 ms) Secondary: 8.8.4.4 (71 ms) (B) US Open DNS Primary: 208.67.220.220 ...
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1answer
17 views

How could I redirect in bind to another host in case server 1 went down?

I have two servers with same service, so server 1 xxx.myhost.com A record ip 1.1.1.1 server 2 xx2.myhost.com CNAME record to otherhost.com The server number 1 is the principal, so, I gave to my ...
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0answers
21 views

DNS Cache affecting HTTP requests

An odd error occured which I am trying to understand the cause. I updated a website and on some computers, a cached version of a particular .css file was being served. Other changes to the site were ...
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17 views

OpenVPN client tun device name in OSX

I have a VPN server set up that I am using to connect to from my OSX 10.9 laptop. When I load my openvpn profile with tunnelblick, it works, and I get a device named "tun0" just like you would expect. ...
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2answers
37 views

Is my Windows 7 primary and secondary DNS setting correct?

I use a Windows 7 desktop PC with a TP Link Wireless N ADSL2 + Modem Router. My PC is connected to the TP Link via a LAN cable while another 2 PCs of my secretaries are connected via WiFi. I am not ...
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1answer
22 views

How can I redirect one 'vanity' domain to another domain via DNS?

I have a domain for my 'vanity urls', lets calls it ample.co, and the subdomain ex.ample.co is used for the vanity urls (using Bitly). The address ex.ample.co via Bitly redirects to example.com, the ...
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0answers
14 views

Issues accessing file shares of certain servers across site to site VPN

We recently had a problem crop up with one of our remote facilities, i'm not a system admin, and we are currently without one, but I will try to explain the best I can. Employees at the remote site ...
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3answers
23k views

How can I set my DNS settings using the command-prompt or PS?

Through the CLI (either cmd.exe or PowerShell) on Windows 7, how do I edit the TCP/IP DNS parameters for a specific network adapter?
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1answer
14 views

cannot get Mac to do dns-sd to CUPS print queue

I'm trying to create DNS records so that Macs on our network can auto-detect available printers via dns-sd (broadcast alone isn't an option due to our WAN environment) If I manually "Add" the CUPS ...
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1answer
43 views

Active Directory Domain Controller with pfSense as DHCP and DNS server

I've read some conflicting posts, so hopefully I can get a clear answer. I have pfSense running as a DHCP server and DNS Forwarder. I'd like to try out Active Directory as a Domain Controller at home ...
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4answers
579 views

Some pages in Chrome always redirect to ransom page at http://system-check-fyeltkhn.in

This is so weird and random that I have a problem explaining it fully. Since yesterday, those behaviors started: Some pages in Chrome are be always redirected to: ...
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1answer
2k views

Aventail VPN connection doesn't work

I installed the Aventail VPN client on both the Mac and a Windows 7 machine, both on my home network. When I try to connect one or the other (I make sure one is disconnected before connecting through ...
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13 views

Why doesn't my DNS change propagate within the TTL?

Why isn't my DNS propagating correctly? It has a TTL of 3600 seconds, 1 hour, yet it is still resolving to an old IP. It's been at least 10 hours! http://www.onlinedig.com/go-dig/ C:\>nslookup ...
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DNS provider with paid or free email forward / mailinglist service for own domain? [closed]

I have my own domain, and would like emails sent to info@example.com to be forwarded to 5 external addresses. E.g. Gmail addresses. The load is perhaps 10 emails pr day. I have looked at ...
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17 views

Smart dns resolving and routing

I am running mac os x. The os has two network interfaces. LAN (restricted to be used only for intranet) and WIFI. As LAN is restricted, it blocks traffic like skype. The issue is, if I make WIFI as ...
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17 views

Particular website is not accessible when specific DNS is used

Particular website is not accessible when specific DNS is used.We can ping to that website even if cannot browse.Also in some cases can reach the domain by using IP address (Ex: ...
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1answer
26 views

DNS server (BIND) stops forwarding. Restart helps. Why?

I'm encountering very strange issue with my DNS server, which is set up to forward requests for a specific domain to another DNS server. After restarting named I'm able to resolve hostnames, but after ...
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1answer
48 views

dnsmasq - Redirect URL request to guest VM

I am running Linux Apache on my local Parallels VM as a guest, my goal is: redirect an URL request (http://test.dev) from host (OS X) to Linux Guest. I had a local dnsmasq setup with MAMP (which ...
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1answer
19 views

dnsmasq not working to point .local addresses to 127.0.0.1

I'd like to get .local addresses (such as test.local) to point to 127.0.0.1 but it isn't working. I'm on latest Ubuntu. In /etc/NetworkManager/NetworkManager.conf I commented out dns=dnsmasq then did ...
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1answer
17 views

How to set up a .local domain on Linx?

I have multiple nginx virtual hosts all pointing to localhost. Right now they have same name different ports localhost:8080, localhost:8081. Instead I'd like them to have same port different names ...
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2answers
61 views

Local server name no longer recongnized - OpenBSD

I've been scratching my head with this for a while and don't seem to be getting any closer to a solution at the system level. Brief note: A while back I set up an OpenBSD based server to run my ...
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13 views

Site-to-Site Connection with Windows Azure

I've created a Site to Site connection using Windows Azure. My On Premise connection uses 192.168.0.0 - 192.168.0.255 and my Azure connection uses 192.168.1.0 - 192.168.1.255 on a subnet of ...
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6answers
54k views

Is there a way to get the complete zone file for a domain without contacting its host?

I know that it's probably (no longer) possible because of abuse, but I want to check nonetheless. Is there a way for me to obtain the company zone file for a domain myself, without having to contact ...
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1answer
3k views

How do I setup a local DNS server on Mac OS Lion?

I had some serious lag to resolve website address and sometimes things simply wouldn't load (pages kept loading for 5+ minutes without even a timeout error). So I had setup a local dns server/cache ...
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6answers
16k views

Can ping IP address and nslookup hostname but cannot ping hostname

I have a DNS server set up on one of my machines using BIND 9.7 Everything works fine with it. On my Windows 7 desktop, I have statically-assigned all network values. I have one DNS server set -- my ...
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1answer
11 views

server actions to restore web mail access

A domain name, say foo.com, is registered to company ONE. The Address record of the DNS for that domain has been changed, to map foo.com with an IP which corresponds to a server of company TWO. ...
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1answer
48 views

DNS server cannot resolve ipredator.se domain

Since yesterday I cannot connect to ipredator.se anymore. Seems to be a DNS problem: $ nslookup ipredator.se Server: 127.0.1.1 Address: 127.0.1.1#53 ** server can't find ipredator.se: ...
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1answer
29 views

Forward everything from misspelled domain (DNS)

I have two domains: example.com exampel.com (wrongly spelled version of 1) Now, I want to 'forward' everything from domain 2 to domain 1, so for example: www.exampel.com --> www.example.com (for ...
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1answer
18 views

Can only connect to shares using FQDN

I'm trying to connect to one of my network shares using a Macbook Pro. If I type smb://mysharealias.mycompany.com/users (which is an alias), I can view the share. However, if I just type ...
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2answers
31 views

SSHD reverse mapping fails, but nslookup, dig, and host resolve correctly

I just set up a dhcp/dns server to manage my home network. After I got everything up and running (and maybe before - I wasn't paying close attention), I noticed that logging into ssh was slow. I ...
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1answer
34 views

How to finish my DNS setup?

I've been working on a small project the past couple days and have hit a small wall. This is what I have so far: Static IP from Comcast Registered Domain from Dynadot Local Arch Linux DNS box ...
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3answers
2k 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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How to setup communication between virtual machines

Probably my issue is not hard to resolve but I got a stuck. I have several LXC containers. One of them has MySQL, RabbitMQ, MongoDB (and several other services) installed and configured. Every other ...
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5answers
3k 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 ...
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2answers
170 views

Flush Chrome and Firefox DNS cache from command line?

Occasionally, I need to do a scorched Earth cleansing of my local DNS cachi. The most common scenario for this was that I was using OpenDNS, and when a name would fail to resolve (it was a hostname ...
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1answer
2k views

How to reference a PPP adapter in Windows command?

When using the windows command ipconfig /all, the result will show a PPP adapter followed by a long name closed with braces. It looks like the below image: When I try to set the DNS of my PPP ...
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1answer
7k views

Unable to access most internet sites error DNS_PROBE_FINISHED_NXDOMAIN

I have problems accessing most websites, only a couple work (grooveshark, google, facebook). On almost all others I get errors. Here is what I got using different browsers: Opera: This website is not ...
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1answer
49 views

Why is Facebook's host machine not on the same network as its domain name?

Here's what I get when I ping facebook.com (the domain name) and www.facebook.com (host name of host machine)... According to http://superuser.com/a/59094/325893, the domain name (facebook.com) ...