Considering the number of Russians I know from Kazakhstan, it doesn't surprise me that it's a Russian site. However, it's interesting that its mail.ru and not Y

Considering the number of Russians I know from Kazakhstan, it doesn't surprise me that it's a Russian site. However, it's interesting that its mail.ru and not Yandex. And why VK in Belarus and not Yandex? I realize that VK is enormous and at least in the top 5 most visited sites in Russia.