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

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Windows Server 2012 R2 Standard located in our DMZ has problems with connection to RoDC

We had an environment with multiple 2008 R2 DC:s in our internal LAN and a 2008 R2 RoDC:s in our DMZ. We set up 2008 R2 servers in our DMZ and joined them to the domain using DJOIN. Everything ...
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21 views

Direct domain to IP and port?

So, possibly a silly question but I'm running apache on port 8000 and I want to add a DNS A record to point to the IP. However I need to make it point to port 8000 instead of the default 80. So is ...
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25 views

Can flush DNS command resolve internet speeds?

Was assisting a user that had been downloading 8 movies from iTunes. Her speed was sitting at .06 mbps down with ethernet. Restart and power cycle got her up to 2.36 mbps down. 0% packet loss. I ...
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5 views

Simple DNS Plus - Configuration

I have a domain: mydomain.com I use to use: @ A 213.0.0.0(Public IP), in GoDaddies DNS Zone, instead of nameservers. I removed that and added two hosts, ns1.mydomain.com and ns2.mydomain.com ...
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5 views

How to make LAN hostnames available to my coLinux?

My Windows PC is on a LAN that uses DHCP. All configurations including IP address, gateway, and DNS are distributed by the DHCP server thus cannot be guaranteed to stay the same each time my PC is ...
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2answers
51 views

How is the dotted decimal IP address “1.2.3.4.5” interpreted and resolved?

The Apache Mina Ftpserver project has a unit test that checks that the IP address 1.2.3.4.5 fails to be resolved by the OS's name resolution. Specifically, the expected result of: ...
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2answers
27 views

Apparent IP doesn't take me to website

I noticed that sometimes, when ping requesting a website, I receive an IP Address that doesn't in fact take me to that domain name. It instead takes me to the default server page. For example, if I ...
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1answer
55 views

Cant set Dns in Normal windows Mode ( Windows 7 )

i can set dns in safe mode but i cant set it in normal windows mode .. when i login in normal windows mode and want to install IP V4 , i see error: Could not Add the requested feature . The error is ...
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25 views

Second FTP Server On Subdomain [migrated]

I've my own domain name that I'm trying to set up with two FTP servers. (I have two totally independent FTP servers I want to be able to access.) I set one to run on the standard port, 21, and the ...
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15 views

Provide this simplest networking solution [closed]

Router 1 ip address: ISP given mask: ISP given gateway: ISP given dns: ISP given DHCP enable router IP address : 192.168.1.1 mask: 255.255.25 5.0 range of IP dhcp: 101-200 Router 2 IPS 2 given in wan ...
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1answer
38 views

IPv6 only LAN with NAT64 router for Internet

I want to disable IPv4 on my LAN and run only IPv6. I will use a NAT64 Juniper firewall to provide Internet access since I only have IPv4 Internet. Will this break applications? Will I be able to ...
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2answers
20 views

How to connect a domain name to a host?

I have register a domain on internet like domain.com. I have a server on internet which have installed bind9 service on it. I have enter my name server on DNS tools on my provider domain name manager ...
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11 views

DNS Spoofing my own computer

using DNS spoofing, can I attack my own computer ? I tried Ettercap and Cain&Abel with no luck, do you know any other programs which would allow to spoof myself ?
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8 views

Apache ServerName/ServerAlias Matching Paths

I have two Python applications hosted on one server. One being an API and the other being a UI. Both have two different domains: domain-api.com for the API and domain.com for the UI. I have multiple ...
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14 views

IIS 8 with Parallels Plesk 11 is showing 503 error in some devices and could not locate remote server in others

I recently bought a Windows Server 2012 dedicated hosting with IIS 8 and set new DNS settings to Parallels Plesk Panel 11.5.30, after set up website is not working in some devices or some browsers. ...
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1answer
34 views

Blocking an IP in Windows Firewall

I am attempting to block a connection to a games' masterserver (see this for more information, including why I am trying to do so), but however redirecting the DNS has not worked, so I am trying to ...
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3answers
31 views

What is writing to my hosts file?

I've got an odd situation where I'm emptying out my hosts file but when I ping something that used to have an entry in the hosts file the hosts file gets populated with the entries that I've just ...
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1answer
39 views

Block a Subdomain in Windows Firewall

Gamespy is ceasing its Master Server support for many games at the end of May, including Crysis 1, Wars, and 2. I have worked with Crysis 1 and Crysis Wars for a very long time, and now the entire ...
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1answer
12 views

how to point a domain (or two) to a primary domain?

I have three domains: domain1.com domain2.net domain3.org ...and I want two of these domains to point to my primary domain (the one ending in .com) WITHOUT using any redirects. How do I do this in ...
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1answer
50 views
+100

DNS-SD registration of “printer_queue1” failed with -65548

I'm using Linux [ RHEL 5] , our team manages printing via this server , the printing uses CUPS 1.3.7 . We experienced very reliable printing for more than a year and a half , but since last 2 weeks ...
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2answers
68 views

Can ping the ip-Address but not the site and neither browse to it

Due to some malware or virus, I was unable to connect to any site while the connection showed "Internet Access". On experimenting, I found that I was able to ping the I.P. address of google. But when ...
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3answers
39 views

Where can I obtain ICANN's DNS list?

Suppose that I wanted to host my own DNS server based on the presumption that for whatever reason, I am unable to access ICANN's personal servers. Is there some sort of hosts file, or global DNS that ...
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1answer
21 views

How come some urls work and some don't?

I had some problems with my router, so I switched to a new one (a linksys WNR612v3, though that probably isn't the problem). Now some pages work, and some pages don't examples of non-working pages ...
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11 views

Linux networking, Windows DNS server and DNS name resolution

This is a follow up question on Windows DNS sometimes can't pick up my VM's hostname. Previously I thought the problem is at the Windows DNS side, but now I'm not sure, because I'm trying to ...
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20 views

ZPanel configuring DNS for multiple domains

I want to have nameserver ns1.primary.com and ns2.primary.com to be used by all my domains. I've created domain primary.com and other secondary domains through zpanel and created DNS entries for ...
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1answer
43 views

CNAME records effectively being ignored and overridden by wildcard CNAME record

I recently created the following CNAME record in our public DNS in order to allow our Office 2010 clients to automatically configure themselves for Office 365 (i.e. so we can use autodiscover). ...
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1answer
56 views

How to flush DNS cache in Firefox

Strange issue... whenever I try to access http://docs.python.org/ from Firefox on Win 7, I get redirected to http://docs.python.org/old_dns.txt which says: You need to update your DNS records for ...
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1answer
26 views

reverse usb tethering in strict dns environment

In the environment, all DNS query is blocked by firewall. And wifi or 3G is not allowed I want to let a rooted Android(192.168.42.2) accessing internet by plug usb on PC(192.168.42.1 for usb0 ...
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30 views

Browsing specific website with specific DNS server

My OS is Windows 7 and i want to browse certain websites with certain dns server. Unfortunately our goverment banned twitter and youtube but i can get access to twitter when i change my dns server ...
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10 views

My domain points to the ip on my server but the webpage won't load

I have a domain that points to my server based on the ping address but when I type it into the url it doesn't work, just points to where I got my domain from. I also have this set up on my dns. $TTL ...
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1answer
11 views

Get “webpage is not available” running in a Hyper-V VM - sometimes

I'm running Windows 7 in a VM under Hyper-V. The host system is Windows Server 2008 R2. It happens about 50% of the time where there are no problems at times, then it happens repeatedly, then clears ...
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43 views

DNS resolution fails for hostname mapped to 192.168 address on some machines

I have a domain name mapped to a local subnet address so I can easily test across devices (test.internetdancefloor.com maps to 192.168.1.88 or something like that). This address works from my Windows ...
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Modem not assigning DNS

I have a ZyXEL P-870H-51A V2 VDSL2 modem. Currently, the modem connects to the internet, but computers require to use a static DNS in order to use it, otherwise they fail to reach a DNS lookup. ...
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26 views

Domain name of a computer in multiple subnetwork

+–––––––––––+ +–––––––+SOHO router| | +–––+–––––+–+ +–––+––––+ | | +–––+ |Internet| | +–––––+PCs| +–––+––––+ | ...
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New Server build- Running MS server 2012 R2- Cannot access Google.com

I have a new local domain controller that I set up, I used a google.com DNS server as my secondary DNS server (external). The problem that I am having is that I cannot get to any "Google" related ...
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1answer
27 views

DNS query only works for Fully Qualified Domain Name (FQDN) but not short name

This is a Linux (Ubuntu 13.10) VM guest in the Windows host & environment. When doing DNS query, only the FQDN entries have returns while the short names are not (see below). Why is that? My ...
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45 views

Strange nslookup response

After searching the Internet for what I thought was an easy-to-fix problem, I am still struggling to find the fix. I am trying to find the start-of-authority (SOA) DNS type for any domain (for ...
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1answer
8 views

Windows 2003R2 Primary DC not transferring roles

I inherited a Windows 2003 R2 Domain Controller and to ensure I have resiliency, I added a second DC as Additional DC with DNS. Now I shutdown the Primary DC but for unknown reasons, the FSMO roles ...
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1answer
23 views

Computer only accesses the internet when using a static DNS ip

My setup is wall-> Zyxel p-870h-51a VDSL2 modem -> DD-WRT router. The issue is that the modem has connected to the internet, but the computer is unable to. This is resolved if on the individual ...
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1answer
75 views

How is email able to reach this person despite no MX record?

I have an email address for someone, where the hostname to the right of the @ sign is "mail.gongin.com.tw". When I try to do an MX record lookup on mxtoolbox.com, it reports "No Records Exist". ...
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1answer
52 views

Windows DNS sometimes can't pick up my VM's hostname

RE: unresolved hostname / host not found / host unknown The VM is VirtualBox running Ubuntu under Win8, using the bridged networks. It almost always able to register itself to my company's Windows ...
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65 views

Chromecast and accessing Netflix from outside the US

I have given this as an answer, but there is a question involved so that's why I'll post this again. You can find the answer here: http://superuser.com/a/734838/311358 I have a computer (iMac) that ...
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1answer
22 views

Can't change subnet, but some IPs are now starting to resolve externally. How to force to resolve internally?

My subnet was set onto 192.126.92.X many years ago by mistake, now we can't fix the subnet using the classic 192.168.1.X But now some of the IPs are resolving externally. When I did tracert ...
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2answers
260 views

Can ISP DNS servers go down?

I'm having problems with my ISP's DNS server. I'm able to do everything except visit any website using my browser through the website's domain name. I was with the technical support for 30 minutes ...
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22 views

Non-recursive DNS server still finds google

For a project I set up a DNS server for a LAN environment that only contains a domain name to IP record for one website address. I would like to redirect all requests for other domains to this IP as ...
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1answer
38 views

Whois command corrupted on mac

Whois lookup is not displaying correct information. Dig and other network commands work perfectly correct and I'm able to connect to any/everything. However, this whois lookup corruption concerns me. ...
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1answer
38 views

Local DNS server

I am using a local (company) network which provides some servers which are also available from the outside (through one public static IP and port forwarding). And there are some domains which are ...
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1answer
18 views

What does infoblox network applicance does

My friend has given me this network device. He doesn't know what to do with it. So far I only know that it is a DNS server. So I want to learn from expert people in industry that can I use that device ...
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21 views

what is a scoped dns query?

In MAC OS X (Mavericks) i see multiple resolvers and i dont understand the difference between scoped and non-scoped dns query resolver as displayed below. $ scutil --dns DNS configuration resolver ...
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1answer
19 views

Using ICS + router causes high ping in games

My main (work) PC connects to the internet using my brother's router (he lives a few houses from me) via wifi using an Alfa AWUS036H adapter and a big antenna. To connect my second (gaming) PC to the ...