I like the cartoons that have been appearing for some time now over at Mozilla Hacks, in which they explain technical things in layman’s terms. The latest article again is a good one: first it explains regular DNS (pictured above), and then continues on to DNS over HTTPS. A cartoon intro to DNS over HTTPS […]
Tag Archives: dns
Look up DNS Records online with dnsrecords.io
Straightforward new tool by Spatie. Just enter a domain and *boom*. Open Source too. dnsrecords.io →dnsrecords.io Source (GitHub) →
How and why the leap second affected Cloudflare DNS
At midnight UTC on New Year’s Day, deep inside Cloudflare’s custom RRDNS software, a number went negative when it should always have been, at worst, zero. A little later this negative value caused RRDNS to panic. This panic was caught using the recover feature of the Go language. The net effect was that some DNS […]
When CCIEs get bored
$ traceroute 216.81.59.173 🙂
Zero-config development with Apache’s VirtualDocumentRoot and xip.io
# Use name-based virtual hosting. NameVirtualHost *:80 UseCanonicalName Off # ~/Sites/ vhost configuration – sends foo.bar.dev to ~/Sites/bar/foo <VirtualHost *:80> VirtualDocumentRoot /Users/dave/Sites/%2/%1 <Directory "/Users/dave/Sites"> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> What that VirtualDocumentRoot does is map the above company and project to the %2 and %1 variables, respectively. […]
xip.io – Wildcard DNS for any IP address.
xip.io is a magic domain name that provides wildcard DNS for any IP address. Say your LAN IP address is 10.0.0.1. Using xip.io: 10.0.0.1.xip.io resolves to 10.0.0.1 www.10.0.0.1.xip.io resolves to 10.0.0.1 mysite.10.0.0.1.xip.io resolves to 10.0.0.1 foo.bar.10.0.0.1.xip.io resolves to 10.0.0.1 …and so on. You can use these domains to access virtual hosts on your development web […]