Hi, thanks for reaching out. My name is Bernard a Windows fan like you. I'll be happy to help you out today.
I understand the issue you have, there is nothing to worry I am here to help, as per checking on my end, it is up and running, kindly try to use a different network and check it again, if the issue persists, I suggest contact Microsoft Rewards support as they specialize this issue, you may reach them from the link below:
Microsoft Rewards Support:
https://rewards.bing.com/support
Let me know how it goes and I hope that helps.
Bernard