Duck DNS addon not return real external IP

[dzungpv]

Describe the issue you are experiencing

After power outage my HA instance could not remote outside, when I check Duck DNS add-on it log the difference ip with my real external ip, I use http:https://icanhazip.com/ to check it. So we may add external API to get real IP like http:https://icanhazip.com/, now own by Cloudfare.
Some one get the same problem here: https://community.home-assistant.io/t/i-am-getting-unreal-ip-from-duckdns-and-where-is-my-ip-address-websites/396742

What type of installation are you running?

Home Assistant OS

Which operating system are you running on?

Home Assistant Operating System

Which add-on are you reporting an issue with?

Duck DNS

What is the version of the add-on?

1.15.0

Steps to reproduce the issue

1. Unplug the power
2. Reconnect power
3. IP report and update by Duck DNS difference with real external IP

System Health information

There are currently no repairs available

Anything in the Supervisor logs that might be useful for us?

No response

Anything in the add-on logs that might be useful for us?

No response

Additional information

No response

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[dzungpv]

This should keep open.