nomad

That might be true. Honestly it doesn’t align with my personal experience but that doesn’t make it impossible. Subjectively unlikely though. :p

Those usually affect the whole image independent of the objects limits in the 3d space.

This doesn’t happen on the person, only in the wall. The lightning on the back of his head is good, so this is a shader issue probably

Read up on the host header, any http server can parse that. Set up DNS resolver and the http server does the rest. If you already serve from a reverse proxy, just change the port setup to a host header based setup. The term to search for is vhost config.

OP likely doesn’t read your comments, he has an agent doing his promotion here. But by all means, please shout into the void.