Duck DNS - Home Assistant
https://www.home-assistant.io/integrations/duckdnsDuck DNS - Home Assistant Duck DNS With the DuckDNS integration you can keep your DuckDNS record up to date. DuckDNS is a free dynamic DNS service that allows you to point a subdomain under duckdns.org at your computer. If you are running the Home Assistant DuckDNS add-on this integration is not required.