Why does Chrome send a fake certificate when going to the site lk2.service.nalog.ru?

Question

Google Chrome

When going to the site of the taxpayer's personal account lk2.service.nalog.ru, a fake certificate from StartCom is substituted in Google Chrome, how to understand which process and at what moment replaces the certificate with a fake one? This does not happen in other browsers.

Answer 1

read in detail
https://en.wikipedia.org/wiki/StartCom
in short: startcom has been compromised and all major browser vendors have severely limited trust in certificates issued by startcom\wosign in one way or another
. certificates issued by startcom will be revoked