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

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Gmail sent messages rejected due to DMARC policy

I have an aol email account that I set up with my android device using the gmail client. In my gmail configurations I have "Send mail as:" in Settings > Accounts & Import set to reply from the ...
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11 views

DNS Servers Between Two OS

Trying to sync DNS Servers between a Linux server and a Windwos server. Anyone have an idea how to sync an UBUNTU DNS Server with a Windows 2012 R2 DNS Server?
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18 views

Website hosting - Multiple websites [on hold]

Basically, I'm having some trouble understanding the following. I'm currently setting up a shared hosting account and having 2 domains on this (both use the same IP address). One of the websites is ...
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21 views

I can enter my website using internal/public IP, but can't enter using my domain name

Couple days ago I bought another PC just for server purpose. I have already installed Ubuntu 14.04 LTS, LAMP, Mail Server SSH Server (or Service?), also PHPMyAdmin, Webmin and TeamSpeak 3 server. ...
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2answers
41 views

DNS Resolving Issue For Mavericks

I am observing a weird issue on my Mac running Mavericks (OS 10.9.5). I am able to browse any website without any connectivity issues. However, when I check my nslookup results, I am observing weird ...
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19 views

How to log DNS queries from my home network?

I want to log all DNS lookups from computers on my home wireless network. What's the best way to do this? Options I know of: Using OpenDNS and let it log queries for me. However, in order to then ...
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1answer
31 views

Trouble extending a network with bridge

I am currently trying to extend a small computer network between 2 buildings around 1 km apart. The setup looks like this: modem | Dlink router 1 - 192.168.1.1 (antenna connected to LAN port) | ...
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13 views

Static routes in ISC DHCP

I have an Ubuntu 14.04 server at home running bind and ISC DHCP. Bind is caching from unblock-us.com so that I can get access to US Netflix content. This all works fine. I'm running into trouble ...
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20 views

Router giving wrong dns-ip address for local computer with static ip

Having a draytek vigor 2130n router on my network as a router. It is setup as hdcp server (192.168.0.200 and on) and rest pretty much default (so dns server also) also a windows server on the ...
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5 views

in Private Network System Can be Traced

in a Private Netowrk (in Company) if somebody using public DNS IP and Accesssing some Sites which are blocked, That System which he/she is using that can be traced? if that can be traced. how?
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17 views

Configuring an offline mail server on Ubuntu LTS (likely DNS issue)?

So, the idea here is to have people connect to my VM mail server in a LAN scenario, log into a mail account I've set up with inbox contents of my engineering to do some anti-phishing training. My ...
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2answers
47 views

DNS caching not clearing Mac OSX

Something weird is happening on my machine. I'm waiting on a domain to propagate. I visit the page in chrome and it's not there yet. but if i look at it on another machine, on another ISP, it's there. ...
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1answer
11 views

How can I point my domain to a host without turning over the nameservers?

I have a domain name on GoDaddy, and a site hosted on Network Solutions. Not my choices -- I'm helping out a family member who already has that arrangement. Currently, the domain's nameserver records ...
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1answer
19 views

Purpose of serial number in DNS zone files

So a DNS zone file contains an SOA record specifying the authoritative name server, along with some other information such as a "serial number". I'm trying to understand the purpose of the serial ...
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33 views

DNS issue between Subnets

I have the following NET Configuration: ROUTER: IP #1: 192.168.17.1 IP #2: 192.168.8.10 PDC-DNS-DHCP Server: OS: WS2008R2 IP: 192.168.17.2 NAME: M2SCDC01P Domain Name: test.local ...
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1answer
13 views

How does email routing work?

I want to understand how email routing works. Lets say I am trying to send a message to someone @gmail.com. According to my current understanding, the following steps happen: DNS MX query on ...
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1answer
35 views

IPv6 Web Site, But Fails IPv6 Readiness Tests

This is driving me bonkers. I have a Windows Server 2012 R2 machine running IIS 8.5. IPv6 is working fine on this machine. All the IPv6 test sites I browse indicate this machine is indeed running ...
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15 views

What's the best practice for having a DNS entry on localhost?

Using Windows 8.1. Coming from the Linux world. I know I can edit the equivalent of /etc/hosts which is C:\Windows\System32\Drivers\etc\hosts (I think), but that seems a bit...inelegant to me. Like it ...
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How to link domain with apache webserver on CentOS [closed]

So I have localy working webserver and was linking such things in the past with ease, yet this time I've got dedicated server with no admin support but sudo access. Got DNS assigned and that's it - ...
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1answer
29 views

Can I set hostname as a DNS Alias?

I'd like to make a local machine available (for domain network) through a www address. To do so I though I could use our DNS and set an alias like www. => MACHHINENAME. Can it be done that way?
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2answers
18 views

Sitecom 300N port forwarding access from lan

I have this modem-router: external IP: x.x.x.x (static) internal IP: 192.168.0.1 now, I have assigned x.x.x.x as www.mydomain.com, app.mydomain.com and svn.mydomain.com on public DNS. on the LAN ...
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23 views

Why is my Linux machine forgetting it's DNS settings?

I am running a Kali Linux Virtual machine, it's based on Debian. I have entered my DNS settings in /etc/resolv.conf but when I reboot or resume the virtual machine the settings are forgotten which is ...
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32 views

Changing DNS Settings: Mac Book Air Mavericks 10.9.5

Re. DNS settings. I currently use Primary 8.8.4.4 Home 8.8.8.8 Network 208.67.222.222, with 208.67.220.220 unlisted. Namebench "speed" test of these recommended DNS numbers labelled as "Primary ...
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15 views

DNSSEC- Client software

I'm interested in running DNSSEC, not sure how this works. Does DNSSEC need to be supported both on the client and server. I currently have DNSSEC on my domain hosting site and the VPS server but if ...
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2answers
28 views

email - Can running your own authoritative DNS server mask a dynamic IP hosted email server from being blacklisted?

I'm running my own email server on my ISPs dynamic IP range which is blacklisted. So when I send mail to certain mail server my email is block. When I run the same setup in a VPS, I'm not on any ...
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30 views

Is there such a thing as a web browser where you specify host and IP for testing new sites? [closed]

Does any Linux software exist where I can specify a host xyz.com and an IP. The browser will then request a page from that IP specifying that host, no DNS lookup will be performed. I regularly move ...
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1answer
18 views

How to create a nameserver?

I am hosting my own website at home. I have bought a domain .com and now I have to enter two nameservers. How can I create a nameserver that would point to my IP? I have optical fiber, so I can't ...
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32 views

How to have two different nameservers for the same dns?

I am building my own server at home. My internet provider told me that since I am using optical fiber I cannot have a fixed IP address, but they allowed me to have a dns that would always point to my ...
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12 views

How do I access subdirectories from a URL Frame

I'm using Namecheap as my registrar, and I'm hosting my page with Microsoft Azure using a linux instance. The page is hosted at <mysite>.cloudapp.net. If I change the CNAME www record within ...
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28 views

My router bypass the DNS servers I manually entered

I wanted to change the default DNS so as to use OpenDNS ones. I went to the router (192.168.0.1) and then put the DNS adress of OpenDNS in the WAN connection settings. It works and my computer ...
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1answer
26 views

How to propagate a server's host name on local DNS

I am asking this question because I don't know which network service should do this. I have a lightweight server on my LAN, and its host name is my_server. Now I would like every machine on my local ...
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Generic Top Level Domains: are they catching on yet at all?

Is anyone buying ".club", ".today", ".cool" etc? Is there any way of finding out statistics to watch when one of these begins to approach mainstream use rather than just being a novelty as they most ...
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23 views

Add hostname that browser resolves?

My /etc/hosts has an entry similar to: 10.0.1.5 wiki However, whenever I type wiki in Opera, the browser goes searching for the term "wiki". If I include the trailing dot to make it a fully ...
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28 views

Changing my ISP DNS servers

I am using two DNS servers provided by my ISP, one is the primary and the other is the backup. After extensive tests performed by the namebench app I found out the primary DNS server is constantly ...
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getting my domain name to point to my amazon ec2 instance with wordpress into it

I have an EC2 istance on amazon and a domain name bought on hosting24. Inside hosting24 I did change my dns like this: mysite.org. 14400 IN A myAmazonElasticIP www.mysite.org. 14400 IN A ...
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Point ip to domain name over wifi/hotspot

Is there any way to point a domain on another IP address over my wifi network or hotspot that i create on my laptop. To get closer: I want domain www.google.com to be pointed to IP ie. 192.168.1.15 ...
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7 views

Configuring unbound to resolve resolve on mdns

I am trying to set up my own home DNS server, partly to allow computers without avahi/Bonjour to resolve .local addresses. (e. g. unrooted Androids) I am trying to use unbound for this. Since I know ...
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21 views

How to simulate “global hosts file” on my LAN?

I would like to access machines on my LAN by names. Not with fully qualified names, but with names. Some of machines are Windows, another are Linux. All of them are obtaining IPs over DHCP, some of ...
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getting 443 host not found error on Fedora 21

I recently installed fedora 21-alpha on my spare laptop, and i am really impressed by new gnome 3.14 shell. The problem I am facing is that most of my applications are getting 443: Network is ...
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84 views

Windows Server 2012 - DNS and DHCP not working on client computers

Help me guys, my dns and dhcp server not working anymore. I used it for more than 2 months but then suddenly all my client computers can't get ip address but still dhcp in my server is running. I ...
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22 views

vsftpd returns wrong pasv_address

I use vsftpd on my CentOS6.4 home server. Recently I noticed that I can connect to the ftp but LIST command fails because vsftpd is returning wrong IP address when entering passive mode. I figured ...
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3answers
29 views

Use DHCP to only assign specific ip addresses to certain host names

Good Evening Everyone! Background: In my environment we currently assign all IP addresses manually because we are required to maintain a list of all ip addresses and what computers they go to. My ...
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1answer
34 views

Cannot load router interface in Win8.1, even though ip address, DNS, etc all set correctly

Win8.1 continually frustrates me. I need help to access my router's web interface. OK, my web interface is 192.168.1.1. This is confirmed with IPCONFIG. My Internet Protocol v4 and v6 settings are ...
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1answer
40 views

How to disable network manager service permanently

The computer i am working on has a manual network configuration i need to keep. The DNS address has been written to file /etc/resolv.conf but the network manager rewrites a default configuration in it ...
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28 views

Cannot contact dns server

Just switched my isp, trying to figure out why my dvr and pos are not working properly, they both keep saying cannot contact dns server. I configured everything in my comcast modem to bypass and my ...
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1answer
20 views

How can I do name resolution on Mavericks?

I would like to map a IP addresses in my local network to a name of my choice. The network is being used by others, this name should only be available when used by my machine. I have been looking for ...
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46 views

DNS server not responding in vpn connection win 8.1

I use win 8.1 and my campus has an intranet network and a vpn(PPTP). to connect to internet, first I have to connect to the intranet(wireless network) and then connect to vpn. But the problem is when ...
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20 views

dnsmasq circular loop error

I know I am missing a configuration somewhere, but I just can't find it. I have two routers, A is upstream of B, both running dnsmasq. A has domain A.com B has domain B.A.com A has in dnsmasq.conf ...
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101 views

Is there any software that can reliably change my IP address without having to unplug router?

Alright, so, there is a certain website that keeps… I'm not sure exactly what the right term is… attacking, hacking, my computer, I guess? With a DNS spoofing or DNS cache poisoning attack, and ...
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24 views

lose internet connection after adding DNS

I use a free pptp service and works well, but I have noticed that I have a DNS leaking when tested on thise Site [ipleak][1] [1]: http://ipleak.net/ so I have tried manually to change DNS settings to ...