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

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2
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9 views

DNS not functioning on command line

I recently did a combination of Vagrant + VirtualBox stuff on my machine to try to get a virtualized Ubuntu install working. However, I had no luck with it so I just uninstalled everything. Ever since ...
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16 views

How additional IPs are added to hosting

Hi i have centos server with 1 ip address. I bought 2 more ip address from same server company, and i added them in ifcfg-eth0:0 and ifcfg-eth0:1 in my server. When i ping within my server using SSH, ...
0
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38 views

Windows can't communicate with the device or resource [duplicate]

I have this problem in troubleshoot "Windows can't communicate with the device or resource (primary DNS server)" . My router is using a opendns server IP and I don't want default DNS server use ...
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14 views

point multiple ip address to hosting

I have centos server, earlier it had 1 ip [ a.b.c.d ] (external ip , eg., 141.101.114.59). Now, I bought 2 additional ip [b.c.d.e , f.g.h.i] (external ip , e.g, 190.93.244.58 , 130.93.245.8 ). I have ...
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11 views

Remote Management address different from Computer Name

We are an educational institution with managed computers using a management server. Our computers are bound to an AD server as well for LDAP. The issue we are having is the remote management addresses ...
0
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1answer
36 views

2 Routers 2 ISPs 1 DNS, Hiding DNS requests

Firstly I am going to explain my network topology. I've got 2 routers serving separate ISPs and they are connected to each other via LAN and each one has its own dynamic IP and DNS by the ISP, my ...
1
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1answer
42 views

Changing nameservers and MX records at the same time

I have a domain (mydomain.com) with working email (provided by the domain registrar, let's call them ExistingHosting), but no web site. I now want to create a web site, hosting it with a different ...
0
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1answer
14 views

Is Metasploit's reverse_tcp_dns meterpreter slower than reverse_tcp in establishing a connection?

I suppose it is, because the DNS has to be resolved whereas reverse_tcp uses an IP address. I would like to know all the differences between them, because although I like reverse_tcp_dns, I would ...
0
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1answer
14 views

Vagrant Networking - can ping IP but not a FQDN

I have a CentOs vagrant machine and I have no problem pining an IP address such as: 216.58.223.4 When I try and ping: www.google.com, it is unable to find the network. /etc/resolv.conf This file ...
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3answers
79 views

Wifi stops working every 10 minutes on Mac OS X Yosemite [SOLVED]

Every 10-15 minutes, my internet connection fails in the following manner: Cannot load websites Cannot connect to Dropbox Cannot connect to IRC Skype still works Slack still works Still able to ...
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25 views

How To Make My DNS Like Google DNS server for example [closed]

my question is how to make dns like : primary dns : 8.8.8.8 secondry dns : 8.8.4.4 how to use Microsoft Windows server 2003 Dns To Make some thing like that
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20 views

How to avoid using domain controller for DNS queries from web browsing

I'm trying to setup a Windows domain for a few PCs at home and work. Both Active Directory and DNS are on the same server but it is at US while I'm physically in Asia. In order to make the domain ...
0
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0answers
45 views

How To Make My DNS Like Google DNS server for example [closed]

my question is how to make dns like : primary dns : 8.8.8.8 secondry dns : 8.8.4.4 for example using windows server 2003 to make this dns what i have got is that i can make this dns by make 2 zone ...
0
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0answers
24 views

How do I use both my router as a secondary DHCP server?

I have a Ubuntu based server and a Draytek router. As it stands, my router is acting as the DHCP server and tells clients to use my ISP's DNS servers. I'd like to look up local machines by name ...
1
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1answer
57 views

I'm benchmarking various DNS servers and one of the adresses shown seems like my router, how to check it?

I'm using DNS Bench to test 10th's of DNS servers, and two addresses in the list appear to be from my router: 192.168.0.1 Non-routable local internet address 192.168.1.20 Non-routable ...
0
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1answer
4 views

what would be the benefit of adding a dns server to isc-dhcp-server

I have a very simple networking setup. I have a couple server applications like plexmediaserver, transmission-daemon, samba, etc... My router just went down, so instead of buying a new router, I just ...
0
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1answer
13 views

what is ddns-update-style in isc-dhcp-server on ubuntu

I have a ubuntu server setup as a router (among other things), I now am adding a dhcp server to it. When configuring isc-dhcp-server, the /etc/dhcp/dhcpd.conf file has an option called ...
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2answers
37 views

Windows 8.1 manual DNS on a per wifi network basis? [duplicate]

How to configure Windows 8.1 with a specific manual DNS that is only valid for the current WiFi network? The setting seems to associate with the WiFi card, not the network, resulting in a laptop that ...
1
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1answer
33 views

Why can't my Windows devices browse but my iOS devices can browse?

All Windows devices on our wireless home network are no longer able to browse the internet. The choice of browser does not matter. All iOS devices can still browse without problems. I have tried the ...
0
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2answers
39 views

A very Strange DNS 1 & DNS 2 Entry

I have an issue I've never seen before, 5 computers on network. All have access to the server via remote desktop. Only one has Internet access. Tried setting ips static on the ones not connecting to ...
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0answers
20 views

Should I disable Netbios over TCP/IP for printing throught Samba+cups?

I have a domain with 100+ machine which are reparted on two IP ranges. On this moment, computers are using netBIOS over TCP/IP or SMB over TCP/IP. It seem that two requests are send ...
0
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2answers
33 views

How to restore my default DNS?

I hanged my DNS servers to 8.8.8.8 in order to fix my web browsing (it worked). My coworkers want me to change it back, but i didn't save it! Is there any way to restore my old dns settings? I'm ...
0
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1answer
22 views

wireshark save capture directly to file with filter

I am looking to have a long-term packet capture running to monitor DNS requests on my machine. I generally use wireshark for network monitoring, but since I am only interested in DNS packets, and over ...
0
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16 views

On my computer, forward specific third-party domains to my own subdomain

I need to redirect from all Google domains to a specific subdomain on my local computer. I am using Windows 8.1 and Mac OS X 10.10. I cannot do this by adding a firewall rule because I use my computer ...
0
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2answers
71 views

Strange networking issue in Linux

My problem is hard to explain. I can’t open some sites. For example some sites provided by Google. I can open the Google search engine, however I can’t open YouTube, the download page for Chrome (the ...
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1answer
24 views

example.com cannot be resolved to an IP Address

since this morning I can't connect anymore to my website. I'm on a centos dedicated server with apache. I think that there's a problem with DNS, this is the message I get from a webtool: example.com ...
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0answers
59 views

The DNS server isn't responding

I'm having connectivity issues. I randomly become unable to use my connection. When I try to use the Windows troubleshooting tool, I get the following message: I'm using an Asus router. There are ...
0
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1answer
48 views

How to change DNS on a minimal networking setup

How can I replace my DNS? I am not using a network manager, except for systemd-networkd and wpa_supplicant for wireless, with wpa_cli. I'm on Arch Linux, if it matters. Although I can add DNS to my ...
0
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1answer
65 views

Only My Computer Won't Connect to a Specific IP

I'm having issues connecting to our Web Server IP from my computer. This seems to be isolated to my computer as I'm able to access it from every other machine I attempt just fine. By not connect, I ...
0
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1answer
28 views

Public ip address showing in Hong Kong

It seems that my range of ip address are all showing as if they are in HK. For example, when I use google search, I am stuck on the .hk search site and it is extremely annoying. I also host a email ...
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1answer
25 views

change IP when a CNAME is used

I want to set 96.7.41.139 as IP address of download.microsoft.com I checked this post: http://serverfault.com/questions/452268/hosts-file-ignored-how-to-troubleshoot and set hosts as below. ...
0
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1answer
26 views

nodejs not receiving request on forwarded port

I am trying to get my router to forward requests made to my noip dynamic dns to my local computer where I have a nodjs running, waiting for requests on port 14555. I have the noip dns set up so that ...
0
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1answer
18 views

Need to change a computer name back to its old name on a domain

I had a problem witha computer I was trying to join to the domain. I gave it a different name than the one it was supposed to have but now I have to go back to the original name. However now I cant go ...
2
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0answers
13 views

Is google blocking domains that are mapped to cloud front? [closed]

I would appreciate some help with my problem: I did 2 experiments, in the first I took a brand new domain, no traffic has ever run on that domain, and mapped it to my amazon cloud front account. then ...
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19 views

Why can I access a domain from a computer and not from another one on same local network

I registered a new domain name but forgot to setup dns servers. I typed the domain on a computer and was redirected to registrar parking page. So I added dns server and could access the domain on any ...
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9 views

Inter host name resolving

I am trying to setup a lily cluster where in it talks about Network Configuration which I am unable to understand.Kindly explain me the network configuration and how am I supposed to do this ? ...
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48 views

Internet connection repeatedly disconnects/reconnects on only 1 PC with new router

Recently I have replaced an old wireless router with a newer one, and since then one of my devices has been experiencing repeated disconnection and reconnection to the wireless network. My wireless ...
0
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3answers
51 views

Routing to sub network with local DNS

Short and clean question We has domain that can be resolved and accessed from internet as ip. On host with that ip we has NAT and virtual machines that hidden behind that NAT. How can we give access ...
0
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1answer
41 views

Browser address bar showing IP Address instead of DNS Name

We have a website dns is brought from 123-reg and hosted in static IP provided by server intellect. We have developed the site in ASP.net Visual Studio 2010 and deployed IIS 7. Everything is working ...
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43 views

How to get around a DDoS fully? [closed]

my network is currently down from a DDoS attack and I need to get around it. So far I found by switching to Googles DNS servers, I can access only some sites but not all of them. Is there another way ...
0
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0answers
18 views

Regarding DNS propagation with different values

This enclosed DNS propagation check is returning odd results. What maybe the reasons?
3
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3answers
152 views

Windows 7 DNS not working (nslookup IS working; ping -4 name.com NOT working)

nslookup IS working; ping -4 name.com NOT working The most obvious symptom of this problem is that nslookup IS working, while ping -4 name.com is NOT working. That's because nslookup contains its ...
1
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1answer
51 views

Why does IE resolve https://localhost but Firefox does not?

We're running Windows 8.1 with the current stable Firefox and IE. There's a fresh installation of Apache 2.2 that has been enabled to do SSL. http://localhost is reachable in Firefox and IE and ...
0
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0answers
8 views

Name servers with one IP for .de domain

I have a VPS where I host few sites, the name server is in the same box. ns1 and ns2 have the same IP (my VPS's IP) because at namecheap the minimum number of name servers to assign for a domain is 2. ...
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1answer
23 views

Dns: results of dig of domain.com with and without www

I ran dig against a certain domain which I own, say for example domain.com. After executing dig domain.com, I obtained results like the following: ;; ANSWER SECTION: domain.com. 21600 IN A ...
0
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1answer
41 views

Accessing APC Smart UPS Network Management Card via hostname

I've got a new APC SmartUPS X 1500 with the build-in network management card AP9631, which I can access it via the ip-address 192.168.0.154. This IP-address has been given by my router's DHCP. When ...
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2answers
20 views

Webserver access from Outside Network

I have a Watchguard firewall router with a public IP address and I have a web server in my internal network (192.168.1.5) and i have a domain name (http://www.forexample.com). We can access to to our ...
0
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0answers
56 views

Nslookup works but ping fails

I've recently ran into this weird problem where the domain names fail to resolve from DNS. When I try to ping google.com, I get ping request could not find host google.com, but nslookup returns the ...
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30 views

Windows and VPN, order of resolution?

I'm a remote worker in my company. My company use Active Directory with a single corp.local domain, and my desktop computer has joined the domain. A VPN connection is available (provided by a ...
1
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1answer
49 views

Possible to assign a domain name an IP adress on a router?

Is it possible to assign a fixed adress for some hostname on a router? What I mean is not to assign IP adresses to a local machine, rather to sepcify an adress for some specific host (like google.com) ...