Why isn't iTunes Connect working?

Question

iOS

iTunes Connect hasn't opened for me for over a week now. When I go to itunesconnect.apple.com , instead of the login and password window, I see:

Verified from different browsers and different ISPs. The result is the same. But if you go through a proxy in the US, then everything works fine.
Here is an example of a website screenshot service that sees the same error: snapito.com/#delay=0&freshness=0&size=full&fast=fa...