====== Dynamic DNS (dynDNS) ======

===== Providers =====

^ afraid.org | free with limited functionality |
^ [[https://www.nsupdate.info|nsupdate.info]] | FOSS hosted dyndns service |

===== config =====

==== afraid.org ====

=== Linux ===
<code bash>#!/bin/bash
globalIPv6=`ip addr show dev enp0s25 | sed -e 's/^.*inet6 \(2a02[^ ]*\)\/.*$/\1/;t;d'`
echo "global IPv6 is $globalIPv6"
wget -q --bind-address=$globalIPv6 --read-timeout=0.0 --waitretry=5 --tries=400 --background https://freedns.afraid.org/dynamic/update.php?KEYHERE</code>