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

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how can i forward requests to my own IP address to a local IP address in my network (possibly using named)?

My setup I have a linux server running in my basement. I currently have my router looking to that server for DNS lookup, so I can use named to spoof a bunch of domain names to point to my local ...
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2answers
57 views

Set up a website on my internal network and access it with a domain name instead of IP

I have a small local network, with the following devices: a Belkin n150 router (older generation), a Dell laptop running Ubuntu 14.04 LTS (GNU-Linux 3.13.0-24-generic x86_64) as my server, and another ...
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0answers
60 views

Sendmail Deferred: Connection timed out

I got the following "Connection timed out" errors from some of the email servers, like google: $ tail -1 /var/log/mail.log Jun 15 15:55:52 coral sm-mta[9924]: s5FAo29p007675: to=<me@gmail.com>, ...
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0answers
13 views

Chrome captive portal redirect is “stuck”

I have an issue with Chrome (version 35.0.1916.114) on Windows 7 with captive portal redirects. I was travelling, but am home now, so there shouldn't be any issues, but I can't browse to ...
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22 views

Windows 7 ICS - disable DNS proxy

I'm using ICS (Internet Connection Sharing) to bridge my computer's internet connection to a wi-fi hosted network. However, I would like to define custom DNS host-to-IP mappings on the ICS network. I ...
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1answer
31 views

Registered Domain Name and Active Directory [on hold]

I have a registered domain (ex. contoso.com) through GoDaddy. It's DNS records are managed on GoDaddy's site. How do I use this domain name for my FQDN for Active Directory? I managed to do it with ...
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1answer
58 views

Systemd-networkd: How can I prepend a static nameserver entry to DHCP-discovered nameservers?

I'm using systemd 213 on Arch Linux, and systemd-networkd/resolved with DHCP to connect to the internet. I'm also running a caching DNS server on 127.0.0.1. I'd like to make this server the first DNS ...
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85 views

vestacp exim4. When I send email to my server - 550 5.1.1 Recepient not found

On my server I install vesta control panel. Then configure my DNS records in domain registrator. * A my_ip @ A my_ip www A my_ip Then i create virtual host for domain. Then i create mail domain ...
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3answers
47 views

Accessing subpage of website by IP

I'm writing a php application that uses CURL to scrape data off websites. But the time it takes to load a website with curl is very, very slow. A lot slower than the time it takes to load it in Chrome ...
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3answers
59 views

DNS server at router level vs. computer level

I've three questions. Is it better/faster/optimal to set up your server's preferred and alternate DNS servers in your OS's network settings or in your router settings? Will it cause problems if it ...
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2answers
34 views

setup Mac Book Wifi interface as Wifi hotspot using specific DHCP option

I want to using my Mac Book as an access point. Besides that I also need to configure its DHCP server to not provide DNS info. For example, Mac Books AP's ssid is "MacBookHotspot". While my iPhone ...
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1answer
14 views

How to change the domain name's corresponding IP if forget where did he apply for the name

I forget where did I apply for the domain name 'www.XXX.com' Now, I want to remap the domain to another IP, How could I do ? The domain name's owner is a company. Thanks
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2answers
82 views

What is 67.63.55.3?

On my Mac, if I ping a single-word domain, I see: PING asdfsad (67.63.55.3): 56 data bytes 64 bytes from 67.63.55.3: icmp_seq=0 ttl=241 time=93.308 ms 64 bytes from 67.63.55.3: icmp_seq=1 ttl=241 ...
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2answers
39 views

How to still using DNS even when switch the proxy in Mozilla Firefox?

I'm using some DNS on my connection on Ubuntu 14 and then I want to still using it even I switch the proxy on foxyproxy. Can I do it?
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16 views

DIG command is hanging and not timing out as expected

I ran into the following issue by accident when playing around with the DIG command and testing some domain names. Why does DIG hang and not timeout after 10 seconds when executing the following: ...
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21 views

how to map sub domain to amazon ec2 and main domain mapped to shared hosting

I am trying to map subdomain to amazon ec2 with elastic IP. I already mapped the www.xxxexample.com to my shared hosting by giving the dns server name (ns1.justhost.com). And I created a many ...
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1answer
44 views

How host name is translated to IP Address when the DNS server is turned off?

I have several virtual machines on virtual box with windows 7 installed and one has windows server 2012 which is acting as domain controller and DNS. When I turn that Windows Server off which was ...
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1answer
29 views

How to eliminate the downtime when a dynamic IP address changes?

We currently have a number of client computers linked up to a database server (MS SQL 2008) for replication. The database server recognises the computers based on their Windows hostname. We are using ...
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2answers
22 views

Is it possible to do full URL logging in routers (ie not just subdomain level)?

I'm using OpenDNS to log websites visited. But I only get the domains/subdomains visited. Is it possible to log the full URL visited (for example http://superuser.com/questions/ask, not just ...
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0answers
34 views

failed to map networkshare in WinPE, DHCP disabled

I want to map a network share in WinPE during an unattended Windows installation. Because I don't have DHCP and very strict firewall settings, I set the ipconfig manually with netsh. I also set the ...
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2answers
210 views

Why is this site redirects to my localhost at ubuntu? [closed]

Help understand why http://dkif.netadsopt.com/ redirects to my localhost at Ubuntu? Thank you in advance.
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0answers
11 views

Redirecting for stb

I want to create a custom portal for my Amino iptv stb, but I have a locked stb - so no root user access. With putty I managed to sniff what site stb is trying to reach - s.p.dom.com Could I use my ...
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1answer
32 views

How to make router DNS settings permanent?

I have just bought a D'link router. But the ISP requires me to use their own DNS service. But the problem is ... That If put that DNS in the router settings, the DNS resets everytime the router is ...
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36 views

Private web server not accessible from outside home network

I'm having trouble with my current ubuntu web server configuration Facts: I have configured the ubuntu server with apache2 running Virtual Host. See below. Within the private network I can access ...
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2answers
59 views

how can I add records to the zone file without restarting the named service?

I'm working on centos6.5 and bind9 and I have managed to add records to a DNS zone by doing this steps: creating the key: dnssec-keygen -a HMAC-MD5 -b 128 -n HOST example.com. editing conf. file: ...
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1answer
32 views

What does a single . mean for a hostname lookup?

Using uTorrent I noticed a peer with "." as a domain name. I thought it was strange so I looked up the IP using nslookup and similar online services. I always get that the hostname is just a single ...
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1answer
42 views

Visiting sites previously never visited results in page not found or junk CSS

I have recently inherited a workstation which I installed a brand new SSD in and then installed Windows 8 (I previously have not bothered with it). Bypassing Internet Explorer, I immediately ...
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19 views

Windows 7 infinitely loads random domains

A couple weeks ago, my Windows 7 x64 desktop started to refuse to load random domains, showing the infinite loading loop green swirl in Firefox, and its equivalent in Opera, Chrome, and IE. The first ...
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1answer
23 views

Setup LAN to serve webpages and voip and access to the web site from inside LAN with domain name

I'd like to know if it will work: I have my domain and I'm serving a webpage in a nginx to the internet, but if I type my domain in my laptop inside LAN I access to my modem/router configuration, I ...
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2answers
90 views

Is it possible to map static IP to computer name instead of MAC address?

I have a number of computers with different computer names connected to the network. They currently hold a static IP address based on their MAC address. In other words, the static IP address is mapped ...
0
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1answer
65 views

I have too many DNS servers configured

The OS is Win 8.1. I have my laptop connecting to my wireless router, and I have told the router to issue out DNS via the DHCP lease. The laptop is configured to use the information. The router is ...
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27 views

Lost internet ubuntu vm workstation. DNS issue

I installed Ubuntu 13.10 a while ago. Everything was okay while surfing internet with Chrome. But after a while, the internet got very slow. I rebooted it and lost internet connection. I thought it ...
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1answer
33 views

Is there a way to fix the DNS Routing bug in 84.06.06?

My research with forums and google searches hasn't turned up anything relevant. I have lodged a service request with AVM, but not holding my breath. Overview: The Fritzbox adds static host routes to ...
0
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2answers
44 views

Getting DNS server, vulnerable to “cache poison” attack

As a homework at the university, I need to write "cache-poison" exploit, which should add fake "symbolic name <-> IP" mappings to DNS server's cache. So, at first, I need a DNS server which is ...
1
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2answers
65 views

Mac OS X 10.9 treating subdomain as top-level domain?

I seem to constantly have trouble resolving hosts on my network from OS X systems. I have a domain (let's call it mydomain.com) with a lab.mydomain.com subdomain and the host I want to get to, at ...
1
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1answer
340 views

How to use a local DNS server with dd-wrt, and *not* use DNSMasq

I have a DNS server running on a Windows Server machine that resolves some local domain names into local IP addresses. I simply want to use the Windows DNS server. I do not want to use Dnsmasq. I ...
0
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1answer
12 views

ssh possible dns spoofing when logging into multiple machines via single host [duplicate]

I log in to the rhel5 machines at my school from home via ssh and it automatically sends me to the computer with the least load. So ssh -Y itsme@myShcool.edu will send me to either mySchoolA.edu ...
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1answer
46 views

Changing Gateway and DNS addresses with batch file

I'm having a little crisis every time I have to change the gateway in order to access different sites from my workplace. It's time consuming and I'd be really glad if someone provides me with a script ...
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3answers
49 views

How can I set a DNS on my router that goes nowhere

My router has three slots for DNS servers. I am using OpenDNS for the first two, but on odd occasions OpenDNS fails and I would like the third one to be something useless that essentially disables ...
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2answers
32 views

Why won't my domain records display even after several hours? [closed]

I updated my domain records to add CNAME records and a TXT record, but even after several days I cannot see them when I query the domain. Screenshot of domain records: http://i.imgur.com/MvYJUTq.png ...
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0answers
12 views

DNS Server for Microsoft Exchange

I have set up microsoft exchange '13 and have an issue with sending external emails. I confirmed that I am able to receive internal and external emails. I can also send internal emails. Logs for ...
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2answers
39 views

Can DNS Caching Be Disabled for a Single Domain (BIND)?

I have a BIND server (CentOS 6) on my local subnet handing my DNS requests. I also have a domain which points to my GoDaddy VPS. I would like to configure my BIND server so that it won't cache any ...
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0answers
17 views

Pointing a domain name to a server (DNS)

I have a domain name registered with a webhosting provider, however I have no hosting plan, only the domain. I would like to point this domain to blogger.com Blogger has a help page to guide thru ...
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0answers
29 views

Ubuntu - Change postfix domain

I used this https://www.digitalocean.com/community/articles/how-to-set-up-a-postfix-e-mail-server-with-dovecot and this ...
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4answers
53 views

OpenVPN + unbound DNS: simultaneous usage possible on same machine?

I am trying to run a OpenVPN tun server that listens to port 53 on UDP. I also am running unbound DNS on the same machine to provide DNS and filtering to the VPN and the machine itself. I am unable ...
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20 views

DNSmasq and VPN

I have a question is it possible to use DNSmasq only for local hosts? My situation is: I have a private server and I use DNSmasq to change public to local IP on LAN, In my work we have multiple ...
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1answer
34 views

Setting up dns server on an isolated lan

I have a LAN with 2 laptops, 1 router, 2 NAS and a printer. I want to have a dns service but i do not want to have a pc permanently connected for that service. As i can define a preferred and an ...
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0answers
42 views

Internet slow down after Setting up Domain Controller on VM

I running Hyper-V on 12 computer and windows server 2012 on 1 computer. I set up 2 Virtual machine Domain Controller on 2 separate computer. The second one is just a failover read only DC. My whole ...
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0answers
14 views

Servermigration - mail/dns

We have the following setup: Domain via namecheap Cloudflare Hostgator server (mail,webserver) Now we want to move to another server and we first want to make sure that everything works. I have WHM ...
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2answers
61 views

Loopback address set for facebook and youtube

I have Windows 7 laptop. I can not access facebook and youtube. It is a office laptop and Symantec Antivirus is installed with centralize management. If I ping both the site like : ping ...