TechCrunch: Cloudflare DNS goes down, taking a large piece of the internet with
it.
[1]https://techcrunch.com/2020/07/17/cloudflare-dns-goes-down-taking-a-large-pie
ce-of-the-internet-with-it/

References

   1. https://techcrunch.com/2020/07/17/cloudflare-dns-goes-down-taking-a-large-piece-of-the-internet-with-it/