https://www.minecraft.net/ for exaple the this link instead of showing me the main page it show me

Not Found

The requested URL / was not found on this server. ......    And other pages tell me that

WE’RE SSSSSSSORRY

We can’t find the page you’re looking for....................    This apears in the redeem button and so i cant even buy minecraft or at least put a code o i get it.I dont know whats wrong can you tell me.