[getcid.info is this tool safe?]

I managed to find out how it theoretically works: Support user getting CID through WebAct (Microsoft Self Service for Mobile site).

https://borncity.com/win/2017/02/12/microsofts-obscure-self-service-for-mobile-office-activation/

so it seems safe to me, even if they could explain its operation more transparently.

[getcid.info is this tool safe?]

Hello,

What is getcid.info? is this tool safe?

Thanks in advance.