[fprct]

Yes, some way of remembrance somewhere came to my mind. But ultimately it felt somewhat intrusive to me and not particularly fitting the new character of the site.

[pacifika]

Another option migth be to explain the history of the domain as part of the About page, if that suits better?

[fprct]

Yes, like some small annotation at the bottom. That's the maximum I could imagine.

[notRobot]

This is what I would do!