webhook URL to IPv6-only server

[msvoelker]

I used a webhook for a repository for a while. It worked so far.

Now, my server lost it's public IPv4 address, which means it has only a public IPv6 address. Accordingly, I removed the DNS A entry (only the AAAA entry is left).

When I trigger the webhook now, I get this error message:

We couldn’t deliver this payload: failed to connect to host

If I change the URL to

http://[IPv6-address]:Port/...

I get this error message:

There was an error updating your hook: Config URL host is invalid

What do I miss?
Does this really mean I cannot use an IPv6-only server?

[ossanna16]

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[ScriptAutomate]

I've opened a related feature request / discussion:

• Feature Request: Provide a centralized resource and GitHub Public Roadmap tracking of IPv6-support for GitHub Services #151477