The info that gives the distance to towns and volcanoes that you have discovered, also show the owner of the land you are on.
of course, if you are not on a protected area, then it doesn't do this:
Can you post that here: https://forum.minetest.net/viewtopic.php?t=24108&p=366020
I would but you have discovered it and have the most information on how to reproduce this. Is it just if the town center is in protection?
No, it is just if you are standing in a protected area. the protection of the town has no bearing
This has been reported to the mod maintainer / developer.