Comment by mittermayr

For anyone hosting their domain on Google Domains, there's a neat API endpoint they're offering for updating the DNS with a simple CURL. I've been using this for years now for a public Raspberry PI behind a home router that changes IPs every other day.

  curl -s -k --user "username:password" "https://domains.google.com/nic/update?hostname=yourdomain.com"

There's more parameters (and you can specify an IP, the above request only takes the caller's IP).

Here are the docs: https://support.google.com/domains/answer/6147083?hl=en#zipp...