IPv6 Enabled Nameservers

Now DNS recently enabled IPv6 on our primary nameservers. This was reasonably painless to configure using OVH and CentOS.

Whilst IPv6 is not new, having been around since 1998, its adoption has been rather slow. After a few days usage we were pleasantly surprised to see reasonable amounts of DNS queries coming over IPv6. In fact we measured that slightly over 8% of queries are now using IPv6!

Comments

Post a Comment

Popular posts from this blog

Creating a Free DDNS Service

Now DNS would not be possible without open source software which we rely heavily on. Our core software stack relies on the following projects; CentOS Apache PHP PostgreSQL PowerDNS BIND NGINX NodeJS Postfix LetsEncrypt We are thankful to al those who contribute to these projects and make them possible! In addition to open source software Now DNS utilises services from the following providers in order to operate OVH Namecheap We recommend all our suppliers as they provide excellent value for money with a high quality of service.
Read more

DNS over HTTPS client resolver

Perhaps you are worried about DNS manipulation attacks, or the privacy of your DNS lookups. Eliminating DNS over UDP on your network might be something you want to achieve. This guide shows how to install a DNS resolver on a CentOS 7 system that will forward all your DNS queries to Google via HTTPS. Sounds crazy, but actually the performance was completely reasonable for casual browsing. This tutorial is based around using the code for the https_dns_proxy project Install some required packages; yum install -y git cmake c-ares-devel gcc gcc-c++ libnghttp2-devel pdns-recursor Fetch the latest libcurl source code (7.56.1 at the time of writing) wget https://curl.haxx.se/download/curl-7.56.1.tar.gz Compile libcurl with nghttp2 and ssl support ./configure --with-nghttp2 --with-ssl make sudo make install  Clone the https_dns_proxy code and build it git clone https://github.com/aarond10/https_dns_proxy.git cmake . make Now configure p...
Read more

Howto Setup a Minecraft Server at Home

Image
This simple guide will show you how to run a Minecraft server from home that will allow friends to join your server. It should only take a few minutes to setup by anyone (you don't have to be a network ninja!) Sign up for Free DDNS at Now-DNS and configure an easy to remember hostname from one of our many free domains. The domain crafting.xyz was added especially for Minecraft use, it is available in the drop down list. Install the free Windows DDNS client to keep your hostname up to date with you IP address. Download UPnP wizard and install it. Setup port forwarding using UPnP wizard - Start up UPnP Wizard and add a port mapping for TCP port 25565 by clicking the "+" icon. Download Minecraft Server Start the server - Open a cmd prompt. - Change into the directory that you downloaded the minecraft server into. - Launch the server using java -Xmx1024M -Xms1024M -jar minecraft_server.1.11.jar nogui . - If this is the first time you have launc...
Read more