Dynamic DNS on GoDaddy

GoDaddy doesn't support DDNS out of the box. Luckily it provides APIs to control the DNS fields, so you can dynamically update it by yourself, with some tools.

Create GoDaddy API keys

Go to this page and generate a production key.
https://developer.godaddy.com/keys

Install tool godaddy-dns

THis tool is useful and provide CLI to control GoDaddy with command lines.
https://lmammino.github.io/godaddy-dns/

npm install --global godaddy-dns

Config settings

Create a file ~/.godaddy-dns.json and put in the following things, with your own config.

{
  "apiKey": "",
  "secret": "",
  "domain": "example.com",
  "records": [
    {"type": "A", "name": "mysubdomain", "ttl": 600},
    {"domain":"my-other-domain.com", "type": "A", "name": "subdomain2", "ttl": 600} //overrides main domain name (example.com)
  ]
}

Set up cron job

Run this to edit cron job list

crontab -e

This add this to the end of the list

*/5 * * * * godaddy-dns > /var/log/godaddy-dns.log 2>&1
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