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

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Site unreachable for some clients after migrating DNS records

I have a static website hosted on S3. Around 4am today, I migrated the DNS records from name.com to AWS Route 53 and then updated the name servers on name.com to point to AWS. After performing a dig +...
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36 views

Tunnelblick external (internet) DNS does not work

Tunnelblick is connecting to an OpenVPN server: Retrieved from OpenVPN: name server(s) [ 192.168.2.11 ], search domain(s) [ ] and SMB server(s) [ ] and using default domain name [ openvpn ] Not ...
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61 views

Ever since upgrade to Windows 10, Firefox 45 and Chrome 49 just loop when override with hosts file entry

The standard method of developing dev sites, or accessing temporary old sites after moving them is to place an entry into c:\windows\system32\drivers\etc\hosts - just like /etc/hosts on UNIX machines. ...
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41 views

How to disable automatic top level domain completion?

When I type "http://something" in the Firefox url bar and Firefox can't resolve I get automatically redirected to "http://www.something.com/". It even does this when I never visited something.com ...
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34 views

Is it possible to set Windows 10 so that it ignores DNS servers and only uses the hosts file?

As in the title? What I want is to make it only allow Internet access to predefined domains, those explicitly listed in hosts. If it is not possible, is there any other way to make it only allow ...
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27 views

Android Phone connecting to router cause timeout of other devices

I'm having a very weird problem regarding my wireless router. I bought it a month ago (it's a TPLink, model TD-W8960N) and everything was going fine, until today, weh I got home, I connected my phone ...
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1answer
28 views

What's the point of these “random” subdomains on CDN, etc?

I've noticed a lot when using CDNs (streaming videos, files, etc) you download from a terrible-looking random-looking URL that looks something like vl-in-f95.1e100.net or a184-26-136-74.deploy.static....
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65 views

How can a domain name be registered and showing content but not have any DNS or nameserver entries?

I have done a whois lookup on theinsuranceemporium.co.uk but even though it outputs a test page at local.theinsuranceemporium.co.uk and a whois lookup shows the registering party, there are no DNS or ...
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45 views

different DNS nameserver per linux cgroup network sandbox?

using the very informative and detailed answer to this topic, Route the traffic over specific interface for a process in linux, I was able to selectively choose whether to run a process through a 3rd ...
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32 views

How do I eliminate the hostname from HELO greeting of postfix?

According to http://www.postfix.org/BASIC_CONFIGURATION_README.html, postfix should derive $myhostname if you set myorigin = just the domain name, however I haven't found that to be the case. I did ...
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68 views

ERR_NAME_NOT_RESOLVED showing parked domain instead?

I been trying to understand what is going on here, but I can't seem to find it. Yesterday I started noticing that whenever I visit an non existent domain which would usually return an ...
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554 views

One or more network protocols is missing on this computer

I just rebooted my Windows 10 PC, tried to connect to the internet and got a message saying "One or more network protocols is missing on this computer". The Windows troubleshooter is unable to fix the ...
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1answer
120 views

How do I get opendkim to sign emails?

I am running on a ubuntu 14.04 VPS and am having trouble getting opendkim to sign outgoing emails. Also, I do not understand the results from dig -x, and I'm not sure my VPS provider entered the rDNS ...
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25 views

Cannot access server but others can

OK, my problem is that I have just set up a server on my internal LAN and now it is in a datacenter. Everyone else can access the server and use it as normal. I however, cannot. When I ping the domain ...
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2answers
70 views

Setup SSH server by hostname?

I am a newbie in networking and I am trying to setup a SSH server, so that I can access the files on my host. I used openssh-server to successfully setup and connect to the server (on LAN). While ...
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1answer
36 views

DNS servers for a website hosted on Microsoft Azure

If my website is hosted on Microsoft Auzre, should Microsoft give me some DNS servers or I should find my own DNS servers? Could I use Google's DNS servers - 8.8.8.8 and 8.8.4.4?
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96 views

avahi-daemon enabled but cannot resolve DNS

I have changed the hostname in avahi-daemon.conf file in /etc/avahi so as that the host-name=osmc and it's uncommented. When I do a sudo systemctl status avahi-daemon -l I get the following; ● avahi-...
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17 views

cannot visit google in IE

this started with not being able to access Google Drive...i'm using Windows 8.1 and somehow Internet Explorer 11 won't load google.com, yahoo.com, and a few other sites...Google Chrome works just fine ...
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24 views

Windows 7 Pro PC unable to “see” UNC path or connect to Domain

I have 2 PCs now that both won't map drives using \server\share$ notation. I can ping the server IP, I can Ping the Server DNS, I can connect to the Internet, but none of the mapped drives work. One ...
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188 views

namebench says hosts are being hijacked by my DNS - is this for real?

I've been experiencing strange and annoying latency issues with my connection, despite the bandwidth seeming ok - especially latency with name resolution. So, I just ran Google namebench. So, it gave ...
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15 views

Windows Authentication - How to always allow requests from certain IP addresses or Hostnames

I am working with OPC servers and DCOM. The OPC server computer is running windows 7, the OPC client computer is running Windows Server 2008. Due to situations outside of my control, I do not know ...
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15 views

connect to pc using dsl router and domain name

I have DSL router, my phone and laptop are connected to it, i want to publish a web site on my laptop and access it from phone using domain name like: mysite.com/index.php what i have tried is: ...
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34 views

Are “dns-nameservers x.x.x.x” and “nameserver” on multiple lines the same thing?

Does anyone know if there's any difference between this: dns-nameservers 8.8.8.8 8.8.4.4 and nameserver 8.8.8.8 nameserver 8.8.4.4 To my understanding, they're the exact same thing, but I could ...
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62 views

SSH key verification for many hosts behind a single DNS name

(note: this seems similar to an existing question, but I believe there are some differences in the implementation details here) The Problem I've got a few hundred hosts behind a single DNS address. ...
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50 views

Resolving DNS names on non-domain PCs

I have recently added an Active Directory controller and DNS to a 2012 R2 server on our network on 192.168.0.1 and added an A record for Server1 to 192.168.0.2. I've assigned PCs in my test ...
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41 views

Alternative for bridge mode

Up until now, I have been managing my own private network by setting my ISP's modem to bridge mode. However, recently I switched my ISP and now I received a modem with rather limited options. I can ...
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46 views

Disable LDAP on Windows

I'm running a 32-bit Windows 7 with Windows 7 SP1. I have been monitoring my DNS requests and whenever I change my network settings my box makes an DNS request to an LDAP address that belongs to my ...
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18 views

chrome dns issue on ubuntu

I've got a local test server running on a virtual machine. It's running on a different computer from which I am working. I browsed with google chrome to http://test/ and I received a dns error from my ...
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1answer
91 views

Local DNS issue with TP Link router

Hi have difficulty in using TP link router (TL-R480T) as local DNS server to serve names of nodes (PCs) in a LAN. Any suggestion / solution is very much appreciated. Regards, Ashok
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28 views

Where do I find the VPN and DNS settings on Windows 10

I am trying to setup a VPN as I need one for my work. I have been told I will need a service I have full control over so I can connect from my Denmark computer when I am in the UK and probably vice-...
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1answer
86 views

Reasons why curl and http request produce different responses

I have recently setup a personal website using github pages for hosting and DNS with freenom. When I make a request using curl: curl --header "Host: example.com" http://192.30.252.153/ I get the ...
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13 views

Is there a DNS black list solution for my small network that works like a Microsoft Hosts file?

I use a hosts file to redirect certain web site DNS resolutions to my local loop back address on Windows machines to filter certain annoying sites. I'd like to move this concept to scale on my whole ...
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4answers
6k views

How do web servers know whether you're using direct IP address access?

Some web servers, when accessed using their IP address, return an error that direct IP address access is not allowed. I've been wondering for some time how this works. I mean, doesn't the browser ...
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30 views

DNS server / Proxy : XBMC issue

I used my own DNS server and proxy server, Since, I can't remote control my XBMC / Kody player. Whatever I do and whatever apps I use I have the error " Unknown service port 8080. change port. I keep ...
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2answers
86 views

DNS resolution through a proxy

I am behind a very capricious proxy (squid) and it seems only http requests made with a particular user-agent are allowed. When fetching google.com from Google Chrome, I can see a HTTP GET on ...
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1answer
1k views

Ubuntu - DNS not automatically configured. Has to be set manually in /etc/resolv.conf

When I connect to a network (e.g. home or work network), I have to manually enter the nameserver adresses in /etc/resolv.conf every time (I change to a new network). It used to be automatic. Any ideas ...
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29 views

How does OpenDNS know my real ip address even tho im connected to my vpn?

I am connected to my VPN server (107.750.94.4), But it is also displaying my actual ISP address (210.246.xx.xxx). How does it know my real ip address?
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58 views

Can't connect to my Windows Server 2003

I am running both a server and a client (through virtualbox), trying to establish a connection between the two. I have set up a Domain Controller (Active Directory) along with DNS Server. The domain ...
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12 views

move from old hosting company to AWS

I have a website www.website.com, it is hosted with company A, I have built a new site on AWS with a temporary URL www.tempurl.com I want to make it so www.website.com points at the new site. I want ...
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4 views

DNSSEC with existing private/public key

what I want is the following scenario. There exist single hosts that are connected with each other in a fully meshed network. Every host possesses a RSA key pair (private/public). What I now want is ...
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12 views

Dnsmasq strange behaviour

I'm running AP with hostapd and dnsmasq. Here's my dnsmasq.conf cache-size=0 port=53 domain-needed server=8.8.8.8 no-resolv no-hosts interface=wlan1 bind-interfaces dhcp-lease-max=640 dhcp-range=10.0....
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32 views

Azure dns does not resolve

I have started building a small application in an Azure VM. I want the VM to host a website which will be working as a portfolio. The thing is - neither the IP nor the DNS given by Azure resolve in a ...
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1answer
36 views

My domain name wont work locally but works externally

I have home server ip 192.168.1.10 and domain name eg example.com which is from namecheap. i did pointed to my Dynamic Ip have have ddclient that update my ip to namecheap A records . also i have my ...
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1answer
40 views

Distinguish between DNS-requests from local network and internet

I am using DNSmasq both for my local clients and some internet services. One service I provide is a dynDNS server. It receives IP updates via HTTP and writes it as simple hosts file but without domain....
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52 views

EC2 Windows Server connection fails on VPN connection

I have an medium tier EC2 Windows Server 2012 R2 instance. It's just updated. I'm connecting to it through the latest Microsoft Remote Server on OS X 10.11. When I am connecting the instance to the ...
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31 views

Trying to find & get a fixed DNS?

I'm trying to find our DNS details to specify in our printer so it can send scan docs to email. Running a cmd prompt is showing details starting with fe80::c6ea: instead of a proper DNS address. Any ...
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28 views

Not able to resolve my domain name intermittently

I am experiencing a strange behavior w.r.t DNS resolution when connected to certain WiFi networks. (only on iOS devices) Issue is: Safari is able to resolve my domain name correctly but sometimes for ...
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2answers
88 views

Access external IP from inside the network?

I have setup a subdomain sub.example.com in the DNS-records of my domainname-provider that I linked to my external IP. I then forwarded port 80 in the router (Sitecom Broadband Router 54G) to the IP ...
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28 views

How the whole domain name and DNS works? [closed]

Recently I'm considering setup my own website. So first thing occurs to me is that I need to get a domain name. And I should somehow publish that for this domain name, point to my server. Now some ...
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1answer
38 views

Will a VPN make a DNS Server more secure?

I have a DNS Server (unblock-us) at the router level to allow US Netflix for everyone on my home network. I am concerned about all my traffic (eg internet banking) going through these servers and the ...