I'm with Hund. It was only monitoring the cached, unauthenticated news page, which was up throughout the downtime. However, it now monitors the authenticated news landing as well.
This was monitoring the unauthenticated news page, which is why it didn't catch it. It now monitors authentication as well. It is not official, and was made by a co-founder years ago.
I'm with Hund. Our hn.hund.io page did not catch this because it was requesting the cached, unauthenticated page. It now monitors authentication as well.