blog.cloudflare.com – Today at 1651 UTC, we opened an internal incident entitled “Facebook DNS lookup returning SERVFAIL” because we were worried that something was wrong with our DNS resolver 1.1.1.1. But as we were abou…

Tweeted by @TheHackersNews https://twitter.com/TheHackersNews/status/1445295239363653635

Understanding How Facebook Disappeared from the Internet