GitBook outage post-mortem

For any of you, like us, that use GitBook to host your documentation, here’s the post-mortem on their outage yesterday:
https://blog.gitbook.com/tech/post-mortems/06-20-gitbook-domains-blocked-by-registrar

TL;DR - phishing activity on one of their sites was enough for Google to nuke all their domains, they are moving to Cloudflare