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

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9 views

Dns.GetHostEntry is not giving me a good IP to pass to IPEndPoint function in my domain

My c# code from my asynchronous socket client to get the address of my socket server. string testServerIP = "192.168.0.1"; IPHostEntry ipHostInfo = Dns.GetHostEntry(testServerIP); //time server ...
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9 views

Ubuntu getting wrong hostname from DHCP

When provisioning new Ubuntu Precise (12.04) servers, the hostname they're getting seems to be generated from the DNS search path, not a reverse lookup on the hostname. Take the following ...
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1answer
9 views

Guest network connected to internet fine, but primary network did not work

Hope the expert here can help me. I tried to connect to my primary network it, it indicated as connected, whether i try to go to any website , a little "!" will appear next to the signal bars. When ...
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1answer
14 views

Editing hosts file don't block ad from showing up

I probably had some mis-understanding toward host files. so my understanding is that hosts file is the first priority DNS lookup place. sometimes I will encounter some annoying websites like this one ...
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0answers
6 views

dig not working in a virtual host environment

I have installed three virtual machines (RHEL 6) on virtualbox, and attached a bridged mode network to all machines i have to use my first machine to be a DNS and the second and third machine should ...
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1answer
25 views

How to call a website from pc using a non registered domain name?

Usually When you ping a website (e.g Google.com) it replies with a specific Ip My question is: Is there anyway where you can call a website and replies with an IP you have set manaually like 1.2.3.4 ...
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1answer
13 views

What is the difference between Public DNS and public IP in AWS ec2?

I found that in ec2 there are two things public DNS and public IP ec2-XX-XXX-190-196.ap-southeast-1.compute.amazonaws.com and xx.255.190.196 Both can access through ssh and ping. So ...
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1answer
23 views

How does Unlocator work?

Unlocator is able to remove location based restrictions on websites and other internet services by simply using their DNS servers. I'd like to understand how this works on a technical level. I ...
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24 views

Strange Local DNS issue involving Comcast, not a Comcast User

I have a network with 3 desktops (2 x Win7 x64, 1 x Win7 x32) connected via ethernet and 1 laptop (Win7 x64) connected via wireless most of the time using a Linksys WRT54GS. I have a desktop ...
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1answer
25 views

Network disconnect with netgear router

I buy a netgear R6250 for my home. I have more than 10 devices connected by wifi, so it seem be good to this. But, I have a problem with it: I lost internet connection some times. I need to ...
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6 views

Ping PC goes to wrong Domain

Quite new to the whole DNS Setup. Work has just made me a Domain Admin and I am adding a SCCM server to the network. This isn't really the issue. I added the server to the DNS. This PC is on a ...
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3answers
37 views

How to add a non-authoritative DNS entry?

So I was doing whois microsoft.com and this was the output: MICROSOFT.COM.ARE.GODDAMN.PIGFUCKERS.NET.NS-NOT-IN-SERVICE.COM MICROSOFT.COM.CAN.GO.FUCK.ITSELF.AT.SECZY.COM MICROSOFT.COM.EENGURRA.COM ...
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21 views

firewall detecting outgoing connections of weird hostnames

Recently, I am monitoring every outgoing connection with the help of my firewall. Sometimes when I want to connect to the Internet I receive alerts that some strange looking hostname is going to have ...
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0answers
12 views

Setting up Google Apps on new domain but keep old email-addess

I have a gmail address I've been using for years with a standard gmail suffix - xxx.xxx@gmail.com. Now I also have a brand new domain that I like to set Google Apps for. My question is simple; is ...
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21 views

Nslookup can't find srv records after server move

I just moved my non-profit's server from Windows 2003 to 2012. Everyone can log in, but I'm having trouble joining computers to the domain and netlogon throws an error every so often. I think some ...
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3answers
43 views

IE DNS lookup hijacked by Baidu

I have a user who went on a trip to China recently. Since they've come back, attempting to navigate to any of their bookmarks takes them to this url: ...
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1answer
20 views

hosting 2 websites from one machine

I am hosting a forum on raspberry pi using apache2 and simplemachines and i also want to make a personal website(the forum is a returned favor for a friend). Because I have dynamic ip at home i am ...
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1answer
29 views

DNS resolvation of a URL [closed]

Can anyone explain the various steps to resolving a domain name to ip address when we type an url example.com in our browser and how it returns the page example.com to user by traversing the ...
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3answers
40 views

create alias for existing hostnames

the question has been asked numerous times but I cannot find a clear answer. I have a database on Azure: gtxxxxxxx.database.windows.net however, to make things more easy (I hate typing) I would ...
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1answer
12 views

Trouble with DNS query using whois

What does the look them up with "=xxx" to receive a full display for each record mean? The man page does not discuss an equal sign, and I got an error when I tried to use the = literal. $ whois a.com ...
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0answers
8 views

DNSMasq return special records for specific IP requesters

I have DNSMasq setup as a forwarding DNS server. I would like to know if it's possible to configure it to return specific A record if the IP address of the client matches a certain criteria. So ...
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3answers
8 views

Local DNS using Bind9

I have a few computers on my home network that I would like to assign names to. I don't want them to be a TLD, just aliases, like "orange" or something. The tutorials that I was reading such as this ...
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1answer
37 views

DNS (BIND) Problems

I'm trying to get BIND (named) working, but am having some issues. named loads and everything, but when I do a dig -x 127.0.0.1 I get: ; <<>> DiG 9.9.4-rpz2.13269.14-P2 ...
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0answers
16 views

Multiple IIS server share same domain and port?

I have the following network/server setup: Since this is for a startup I'm working on with a friend using the resources we have, we use a DD-WRT router to redirect port 80 requests to a specific ...
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1answer
19 views

Adding an entry to a local DNS server

I can access my DSL modem's interface by visiting my public IP address. When I click on DNS Server, I am able to add entries (i.e. mappings from domain name to IP address). I added the domain name in ...
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1answer
32 views

It is possible to configure Windows to use different DNS servers for different domains?

It is possible to configure Windows to use different DNS servers for different domains? I am configuring a company VPN. The VPN allows split-tunnelling (users can access the Internet directly, ...
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3answers
86 views

DNS configuration in Linux

I am designing a private LAN in Linux, I have a dns server locally which had an ip address 192.168.0.20 , I had installed BIND in this server and configured both FORWARD AND REVERSE look-up in ...
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2answers
16 views

DNS records: redundancy, and auxiliary servers

I have a domain, this domain points to a front end server. I have two front end servers, one ddos protected intreppid, with 20 GB/ps, other protected with secured servers from 2 to 10 GB/ps. So a DDOS ...
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27 views

Why do I have to keep flushing my DNS cache on all devices?

I have a Netgear DSL modem (111 v2) and Linksys N300 router, newest model. I have to keep flushing my DNS cache every 5-15 minutes. This happens on all sites and on every device on my home network. ...
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2answers
19 views

How to automatically store DNS entries locally after first visit, for for privacy and speed reasons? [duplicate]

My set of websites that I visit regularly is not very large. In order to increase privacy, I'd like to visit these sites directly without the need of a remote DNS resolve each time I visit it, but I ...
2
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1answer
39 views

Telnet - Connection refused when using hostname, connects fine with IP

I'm trying to connect to a telnet server from a windows 7 machine. The telnet server has an IP 123.4.5.6 and a hostname of myserver Running telnet 123.4.5.6 8080 works fine However when I try to use ...
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1answer
21 views

DNS failure on one workstation

I have one workstation on my home network that is having sporadic issues and timeouts with DNS resolution. It came out of nowhere (worked fine last week). The network setup is as follows : Network ...
2
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1answer
88 views

How to do full A-Record resolution from root DNS servers

I have a hypothetical situation that I've been unable to find any real answer to. Imagine we have a computer that has never been on the internet. The computer is also on a network where no DNS service ...
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22 views

dd-wrt translates DNS queries sent from LAN from public IP to private IP – how to stop this?

I recently got a router that has dd-wrt firmware installed into it. I'm running a HTTP server behind that router, and as it has a NAT, I have set the appropriate port forwardings. I also have a ...
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28 views

Windows 8.1 DNS server setting keep reverting to auto

I want to use Google's public dns server on my laptop. However, as soon as i set the preferred server addresses and pressed "Ok", it reverts back "Obtain DNS server automatically". What's the problem ...
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101 views

PING domain is very slow but NSLookup is instant, website takes a long time to appear

My Internet is behaving very strangely the last few days, DNS resolution is very slow, PING domain can take a minute - sometimes the there's no delay for a period of time. PING IP address and ...
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59 views

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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27 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
52 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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1answer
44 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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1answer
12 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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25 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
19 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
22 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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23 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
61 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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17 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 ...
0
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1answer
27 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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1answer
197 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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10answers
307 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 ...