DynDns53

A simple tool, to update a DNS entry in Route53 based on your current WAN IP address

Usage

Simply call the executable dyndns53 and provide as first parameter the ID of your hosted zone in Route53 second parameter is the domain you want to use with a trailing point for example dyn.mydomain.org.

Installation as a systemd service on Ubuntu

You can download the latest release for unix using the following shell sequence

curl -o /usr/bin/dyndns53 https://github.com/cgrotz/dyndns53/releases/download/<version>/dyndns53-x86_64-unknown-linux-gnu
chmod a+x /usr/bin/dyndns53

Edit /etc/systemd/system/update-ip.service

[Unit]
Description=Update IP on route53
Wants=update-ip.timer

[Service]
Environment="AWS_ACCESS_KEY_ID=<Your AccessKey>"
Environment="AWS_SECRET_ACCESS_KEY=<Your Access Key Secret>"
Environment="AWS_DEFAULT_REGION=eu-central-1"
ExecStart=/usr/bin/dyndns53
WorkingDirectory=/tmp

[Install]
WantedBy=multi-user.target

Edit /etc/systemd/system/update-ip.timer

[Unit]
Description=Run update-ip every 60 minutes
Requires=update-ip.service

[Timer]
Unit=update-ip.service
OnUnitInactiveSec=60m
RandomizedDelaySec=60m
AccuracySec=1s

[Install]
WantedBy=timers.target

Update Systemd

systemctl daemon-reload
systemctl enable update-ip.service update-ip.timer