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

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675 views

Replace or disable OS X dns cache?

I'm having trouble with OS X's dns cacher and I'm wondering if it's possible to simply disable it or replace it with a better / more configurable program?I don't suppose it's as easy as deleting an ...
5
votes
0answers
193 views

“dnsbackend unable to load module” error when configuring PowerDNS for Windows XP

I am in need of an easy to setup and free DNS server for Windows XP. I tried PowerDNS but am not able to use the bind back-end:When I put the following in the config file launch=bindI get error...
4
votes
0answers
6k views

How to prevent url redirects in chrome

When I type in a url and hit enter, for example abc.com, I don't expect to end up somewhere else. I expect an error page if there isn't a site with that url. But instead I get redirected to another ...
4
votes
0answers
3k views

WMI query fails with “A security package specific error occurred.” Exception 80070721

ProblemIn Powershell after executing the following command ...Get-WmiObject Win32_ComputerSystem -Credential second.nl\administrator -ComputerName srv02.second.nl... the following exception is ...
4
votes
0answers
574 views

Mac OS 10.10 ignoring Openvpn DNS settings

Running Mac OS 10.10. Setup a openvpn connection and put the DNS servers to be used with the VPN connection under VPN Profile->Advanced->DNS. When I connect, it only uses the the DNS server pulled ...
4
votes
0answers
2k views

Local hostname fails to resolve only in browsers

I am having an issue on Windows Server 2008. Basically the problem is that whenever my local hostname is used in a browser it fails to resolve.As far as I can tell the name is correctly set, I can ...
3
votes
0answers
113 views

Change netmask to increase number of IP addresses

On my LAN I have a dedicated server that runs the DNS/DHCP service using dnsmasq.The assignable IP-range is set as: dhcp-range=10.0.1.50,10.0.1.254,255.255.255.0,72hI want to increase the amount ...
3
votes
0answers
87 views

Windows 7 stops sending DNS packets at seemingly random times

Pinging an IP directly (and just about any other direct IP connection) seems to pass through.On the other hand, when pinging a domain, using chrome to enter a website or attempting to use nslookup ...
3
votes
0answers
611 views

OpenVPN client fails to activate pushed DHCP options for DNS and DOMAIN

OpenVPN client is connecting to OpenVPN server OK.During connection, we see the options pushed contain dhcp-option of DNS 10.0.0.2 and DOMAIN prd1.o2:Sun Aug 2 17:31:06 2015 PUSH: Received ...
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votes
0answers
522 views

Set port for DNS on OS X

I'm using OS X 10.9.1 and I want my DNS lookups to happen on port 54 instead of 53. First I looked here but the file states:This file is not used by the host name and address resolutionor the DNS ...
3
votes
0answers
3k views

Setting Windows to resolve all hostnames via DNS when not connected to a Domain Controller?

The enviroment is a private network with a single router using DD-WRT's dnsmasq to resolve names and do caching. Resolving hosts via DNS works fine:dig +short @192.168.1.1 gamma192.168.1.22Now, ...
3
votes
0answers
1k views

Is there a way to enable/disable IPv6 without restarting Chrome?

chrome://net-internals/dns#dns has a button which allows us to enable IPv6 for Host resolver:This is how it looks like after clicking Enable IPv6:How do I revert to the previous state without ...
3
votes
0answers
1k views

iodine fails its ping test

I'm trying to get iodine working on my Ubuntu machine.The server is working fine, but when it try to establish a connection, and change the route table using the default iodine-client-start script i ...
2
votes
0answers
17 views

How to configure Firefox to only try opening an URL if it really looks valid and search it if it doesn't?

I have just entered time.gmttime() in the Firefox location bar intending to search for documentation on this Python function. And the response was We can’t connect to the server at www.time.gmttime(). ...
2
votes
0answers
45 views

no dns server on nfsroot with systemd-networkd

I've created my own Sysroot with Yocto and mounting it via NFS on an ARM-Board. It uses systemd-networkd and systemd-resolved for networking. I am starting the board like this:U-Boot Bootloader ...
2
votes
0answers
52 views

Filter DNS Forwarded responses with Bind

What options do I have for blocking DNS query responses containing a specific IP address or range? I'm reading up on DNS Rebinding attacks, and wondering how I might block them.When an attacker ...
2
votes
0answers
38 views

Home router DNS sending scrambled IPs

My network is behind a Technicolor TG582n provided by my ISP, it seems as if the firmware was modded to change some branding stuff and hide some features, but nothing much apart from that, I think. ...
2
votes
0answers
225 views

Why does Chrome have TTL -1000 in the DNS Cache?

I am working in a corporate environment, using Chrome. I am investigating some weird behavior, which may or may not turn out to be DNS-based.If I navigate to:chrome://net-internals/hostresolver#...
2
votes
0answers
41 views

Why do I have 3 IP's and one FQDN?

I want to configure bind as private network DNS on Ubuntu 16.04.With hostname I got192.168.0.12 192.168.27.1 192.168.129.1Buthostnamejholmes-System-Product-jhMy question is why do I have 3 ...
2
votes
0answers
166 views

Vesta CP, Cloudflare and Let's Encrypt: Wrong folder and error

I am facing multiple issues with my current installation of Vesta CP on my VPS. Trying to switch from normal webhosting to a VPS, but it is not going good so far.Issues:Cloudflare or Vesta CP ...
2
votes
0answers
5k views

ping: Temporary failure in name resolution

I tried speeding up DNS lookup in Ubuntu 17.04 and foolwed the instructions from the second post here: Ubuntu 17.04 systemd-resolved DNS lookups randomly failResult: once I reboot name resolution ...
2
votes
0answers
57 views

Residential router interfering with SRV records

My situation:I have an application (Minecraft) hosted on a dedicated server that uses SRV records to direct application-specific traffic to that server. The server has been hosted both on site (at ...
2
votes
0answers
994 views

Extend OpenWRT DNS with lines to resolve local IP

I have an OpenWRT router acting as an Wifi access point to a local network. No actual routing currently involved.The ip adress of the wlan0 interface on the router is statically set to 192.168.120.1....
2
votes
0answers
297 views

How does Name Resolution actually work in the latest version of macOS?

Current version: macOS Sierra 10.12.3I administer an OpenVPN server for my company. I have set the following:# Send client instructions to use our internal DNSpush "dhcp-option DNS 172.31.5.39"...
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votes
0answers
258 views

Setting DNS servers on a VPN adapter in Windows 10 has no effect

I am connected to a VPN but Windows seem to completely ignore the VPN's DNS server - all names resolve to the same IP as they do when not connected to the VPN, including those that should resolve to a ...
2
votes
0answers
1k views

ESP8266 SERVER PORT FORWARDING

Learning to implement a small server with the ESP8266 NODEMCU Amica board, it works and responds to a simple command by writing a string on my browser's screen. The server can be accessed from ...
2
votes
0answers
357 views

DNS resolution of instances' private hostnames with OpenVPN on EC2

The end goal of my setup is to for EC2 instance hostnames to be resolvable on the VPN clients, in addition to any private R53 entries.I have a working OpenVPN server config (connections are ...
2
votes
0answers
602 views

How can I disable IPv6 DNS in Windows 10?

My proxy server (though ping for 300ms+) have IPv6 addresses. I usually use it.So disable whole IPv6 is not a solution.Auto detected IPv6 DNS annoys me for wrong/lacked/polluted records.Windows ...
2
votes
0answers
226 views

Virtual guest: Unknown host www.google.com

I have Debian 8.6 installed on a virtual guest running in VirtualBox.The network adapter setting is set to Bridged Adapter so that I can access the guest from my LAN.I get an IP(192.168.1.150) ...
2
votes
0answers
200 views

Route53 wildcard issue

I am new to AWS Route53 and I got stuck in a problem and I cant really understand the issue.I have created one hosted zone in Route53. Under that I have created some record sets. I have two private ...
2
votes
0answers
563 views

Why do I need to add a period after hostname in order to get DNS resolution to work?

C:\Users\david>nslookup home-pi3Server: UnKnownAddress: 192.168.1.1Name: home-pi3Address: 192.168.1.81C:\Users\david>ping home-pi3Ping request could not find host home-pi3. Please check ...
2
votes
0answers
446 views

Mail server Dns configuration

this is my question:I'm italian, i'have a local mail server and my new adsl company block 110 and 25 ports !!!I routed blocked ports from a VPS to my server by a VPN trunk without problems, but i ...
2
votes
0answers
439 views

Why can I ping machines using the .local suffix, but not without?

My local network uses a .lan suffix. I would rather not use any suffix at all, but apparently pfSense doesn't permit this.I am running Windows, MacOS and Linux systems on this lan. Most of my ...
2
votes
0answers
53 views

How to obtain the proxy resolver configuration of a Virtualbox VM

Virtualbox provides two configuration flags to modify the DNS behavior of the NAT engine for a virtual machine:VBoxManage modifyvm "VM name" --natdnsproxy1 onVBoxManage modifyvm "VM name" --...
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votes
0answers
27 views

DNS zone files with more than one name pointing to the same IP

I have set up a local DNS and the forward zone file looks like this:$TTL 86400@ IN SOA ns0.mylocal.loc. root.mylocal.loc. (2011071001 ;Serial3600 ;Refresh1800 ...
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votes
0answers
743 views

Netflix requests are returning ERR_EMPTY_RESPONSE related to IpV6 issue. Why?

I am having a problem with Netflix. I posted a detailed question on another stack exchange site and was advised to ask here. The main point is that Netflix is not loading in chrome or firefox but ...
2
votes
0answers
155 views

Very Strange Repeated TCP/IP/DNS Warnings

Every 75 minutes a warning is posted in my system event log. With very few exceptions, this continues 24/7 and has occurred for months. The warning is from source DNS Client Events, event ID 1014, ...
2
votes
0answers
331 views

During FreeIPA setup: Forwarder does not respond

While trying to set up FreeIPA I get the following error:The log file for this installation can be found in /var/log/ipaserver-install.log============================================================...
2
votes
0answers
727 views

DNS Search Suffix: Multiple domains, multiple DNS servers

I'm at work connected to workdomain.comI use a client VPN connection to connect to homelab.comNow if I ipconfig /all I get:Windows IP ConfigurationHost Name . . . . . . . . . . . . : ...
2
votes
0answers
172 views

2 servers and only one way traffic

This has me stumped...I've got an old war horse SBS 2003 server and a server that is a few months old running Server 2008 R2 (Don't ask me why they put 2008 on it when it's so new...).The 2003 ...
2
votes
0answers
351 views

Belkin AC1200 Router - not resolving DNS requests

In setting up a Belkin AC1200 Modem Router for a family member, I've noticed a weird problem. It connects to the ISP fine and gets their DNS servers etc. However, no device connected to it can resolve ...
2
votes
0answers
124 views

Bypassing router's DNS settings not working

From researching around the web, I found out how you are able to bypass the DNS settings that are configured on the router by naming the DNS servers you want to use on your PC. Supposedly, the PC DNS ...
2
votes
0answers
486 views

I have a web server, and a local server. I want to host gitlab on my local server, and access it through a subdomain on the domain I own

How do I go about doing this? I don't need to know about the networking aspect as far as my home is concerned, but I'm not familiar with DNS settings, and I've really never messed with advanced ...
2
votes
0answers
465 views

Override DNS order when conencted to a VPN?

I'm having some issues with DNS when I connect to my VPN from my Mac.When not connected, scutil --dns (the DNS lookup table) returns:resolver #1nameserver[0] : 10.0.1.1flags : Request A ...
2
votes
0answers
175 views

DNS options windows 7 aren't saved?

I'm trying to use a free DNS (such as Google's: 8.8.8.8 / 8.8.4.4) by typing this in thoses options:But when I click on "validate settings upon exit" and "ok", the network diagnostic tool from ...
2
votes
0answers
368 views

*.org domain websites are not loading

The problem is that any page with *.org domain in not loading on my computer (Ubuntu 14.04). Any other domains like *.com, *.net are loading!This is very strange. I tried in different browsers, and ...
2
votes
0answers
409 views

Able to receive, but not send email over SMTP from VPS. I don't think I'm being blacklisted

The error I get is "421 Downstream server error" or something similar. Up until a few days ago I could send mail without any trouble. I've searched around, and most other people with this problem end ...
2
votes
0answers
654 views

Error message while connecting to EC2 instance via Cygwin

I am trying to connect my EC2 instance using the directions my instructor provided below: "To connect to EC2 via Cygwin on Windows, you need to handle two key idiosyncrasies. First, the Windows ...
2
votes
0answers
6k views

When on VPN, can't load any sites that belong to Google

I work from home and I VPN into the office. We are a remote team all over the country and we use Google Hangouts to video conference. After I VPN, I then RDP onto my desktop which is a physical ...
2
votes
0answers
172 views

My nameserver isn't registered?

My problem is that I am trying to set my domain's nameservers to the nameservers of my dedicated server.My domain is hosted by Namecheap, and everytime I try to input the two nameservers for my ...

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